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href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300dPDF\u7248<\/a>\uff09<\/li>\n<li>\u305f\u3060\u305756%\u306f2004\u5e74\u304b\u3089\u306e\u7d2f\u8a08\u306e\u5024\u3067\u3059\u30022026\u5e744\u301c6\u6708\u306e\u65b0\u898f\u5c4a\u51fa65\u4ef6\u306b\u9650\u308b\u3068\u3001XSS\u306f8\u4ef6\u3067\u7d0412%\u3067\u3057\u305f<\/li>\n<li>\u6839\u672c\u306e\u5bfe\u7b56\u306f\u3001\u958b\u767a\u6642\u306b\u51fa\u529b\u5185\u5bb9\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u60c5\u30b7\u30b9\u306f\u4ed5\u69d8\u66f8\u3068\u53d7\u5165\u308c\u78ba\u8a8d\u3067\u3001\u3053\u306e\u5bfe\u7b56\u304c\u5165\u3063\u3066\u3044\u308b\u304b\u3092\u78ba\u304b\u3081\u307e\u3059<\/li>\n<\/ul>\n<h2>\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\u306fWeb\u30da\u30fc\u30b8\u306b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u7d1b\u308c\u8fbc\u307e\u305b\u3001\u95b2\u89a7\u8005\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u5b9f\u884c\u3055\u305b\u308b\u653b\u6483<\/h2>\n<p>\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\uff08XSS\uff09\u3068\u306f\u3001Web\u30da\u30fc\u30b8\u306b\u653b\u6483\u8005\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u7d1b\u308c\u8fbc\u307e\u305b\u3001\u305d\u306e\u30da\u30fc\u30b8\u3092\u898b\u305f\u4eba\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u5b9f\u884c\u3055\u305b\u308b\u653b\u6483\u3067\u3059\u3002<strong>\u72d9\u308f\u308c\u308b\u306e\u306f\u30b5\u30fc\u30d0\u30fc\u305d\u306e\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u30b5\u30a4\u30c8\u3092\u95b2\u89a7\u3057\u3066\u3044\u308b\u5229\u7528\u8005\u3067\u3059\u3002<\/strong><\/p>\n<p>\u653b\u6483\u306f\u3001\u5927\u307e\u304b\u306b3\u3064\u306e\u6bb5\u968e\u3067\u9032\u307f\u307e\u3059\u3002\u307e\u305a\u3001\u653b\u6483\u8005\u304c\u5165\u529b\u6b04\u3084URL\u306b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u542b\u3080\u5024\u3092\u5165\u308c\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001Web\u30a2\u30d7\u30ea\u304c\u305d\u306e\u5024\u3092\u7121\u5bb3\u5316\u3057\u306a\u3044\u307e\u307e\u3001HTML\u306e\u4e00\u90e8\u3068\u3057\u3066\u753b\u9762\u306b\u51fa\u529b\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u95b2\u89a7\u8005\u306e\u30d6\u30e9\u30a6\u30b6\u304c\u305d\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u6b63\u898f\u306e\u30da\u30fc\u30b8\u306e\u4e00\u90e8\u3068\u3057\u3066\u5b9f\u884c\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u539f\u56e0\u306f\u300c\u5165\u529b\u3055\u308c\u305f\u5024\u3092\u3001\u305d\u306e\u307e\u307e\u753b\u9762\u306b\u8868\u793a\u3057\u3066\u3057\u307e\u3046\u4f5c\u308a\u300d\u306b\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u304b\u3089\u306f\u3001\u6c17\u3065\u304d\u306b\u304f\u3044\u7406\u7531\u3068\u88ab\u5bb3\u306e\u5185\u5bb9\u3001\u307b\u304b\u306e\u653b\u6483\u3068\u306e\u9055\u3044\u3092\u9806\u306b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u30b5\u30a4\u30c8\u81ea\u8eab\u304b\u3089\u914d\u4fe1\u3055\u308c\u308b\u305f\u3081\u3001\u95b2\u89a7\u8005\u306f\u653b\u6483\u306b\u6c17\u3065\u304d\u306b\u304f\u3044<\/h3>\n<p>XSS\u304c\u5384\u4ecb\u306a\u306e\u306f\u3001<strong>\u653b\u6483\u8005\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u3001\u672c\u7269\u306e\u30b5\u30a4\u30c8\u306e\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u914d\u4fe1\u3055\u308c\u308b<\/strong>\u70b9\u3067\u3059\u3002\u95b2\u89a7\u8005\u304b\u3089\u898b\u308b\u3068\u3001\u3044\u3064\u3082\u4f7f\u3063\u3066\u3044\u308b\u6b63\u898f\u306e\u30b5\u30a4\u30c8\u3092\u958b\u3044\u3066\u3044\u308b\u3060\u3051\u306a\u306e\u3067\u3001\u7570\u5909\u306b\u6c17\u3065\u304f\u306e\u306f\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d6\u30e9\u30a6\u30b6\u3082\u3001\u540c\u3058\u30da\u30fc\u30b8\u306b\u542b\u307e\u308c\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u6b63\u898f\u306e\u3082\u306e\u304b\u3001\u7d1b\u308c\u8fbc\u3093\u3060\u3082\u306e\u304b\u3092\u533a\u5225\u3067\u304d\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u7d1b\u308c\u8fbc\u3093\u3060\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u305d\u306e\u30b5\u30a4\u30c8\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u540c\u3058\u6a29\u9650\u3067\u52d5\u3044\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u540d\u524d\u306e\u300c\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u300d\u306f\u3001\u653b\u6483\u8005\u304c\u7528\u610f\u3057\u305f\u7f60\u306e\u30b5\u30a4\u30c8\u304b\u3089\u3001\u6a19\u7684\u306e\u30b5\u30a4\u30c8\u3078\u3068\u300c\u30b5\u30a4\u30c8\u3092\u307e\u305f\u3044\u3067\u300d\u653b\u6483\u304c\u884c\u308f\u308c\u308b\u3053\u3068\u306b\u7531\u6765\u3059\u308b\u3068\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5f8c\u3067\u8aac\u660e\u3059\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href=\"https:\/\/venu-sys.co.jp\/jo-sys\/11085\/\">SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/a>\u3068\u4e26\u3093\u3067\u300cWeb\u653b\u6483\u306e\u4e8c\u5927\u624b\u53e3\u300d\u3068\u3057\u3066\u3088\u304f\u53d6\u308a\u4e0a\u3052\u3089\u308c\u307e\u3059\u3002\u3069\u3061\u3089\u3082\u5165\u529b\u5024\u306e\u6271\u3044\u306e\u4e0d\u5099\u3092\u7a81\u304f\u653b\u6483\u3067\u3059\u304c\u3001<strong>\u653b\u6483\u3055\u308c\u308b\u5834\u6240\u304c\u9055\u3044\u307e\u3059\u3002<\/strong> \u3042\u308f\u305b\u3066\u3001\u540d\u524d\u304c\u4f3c\u3066\u3044\u308bCSRF\uff08\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30ea\u30af\u30a8\u30b9\u30c8\u30d5\u30a9\u30fc\u30b8\u30a7\u30ea\uff09\u3068\u3082\u6bd4\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u653b\u6483<\/th>\n<th>\u653b\u6483\u3055\u308c\u308b\u5834\u6240<\/th>\n<th>\u4e3b\u306a\u88ab\u5bb3<\/th>\n<th>\u57fa\u672c\u306e\u5bfe\u7b56<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/td>\n<td>\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/td>\n<td>\u60c5\u5831\u306e\u76d7\u307f\u51fa\u3057\u3001\u30c7\u30fc\u30bf\u306e\u6539\u3056\u3093\u30fb\u6d88\u53bb<\/td>\n<td>\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\u3092\u4f7f\u3063\u3066SQL\u6587\u3092\u7d44\u307f\u7acb\u3066\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\uff08XSS\uff09<\/td>\n<td>\u95b2\u89a7\u8005\u306e\u30d6\u30e9\u30a6\u30b6<\/td>\n<td>\u306a\u308a\u3059\u307e\u3057\u3001\u507d\u60c5\u5831\u306e\u8868\u793a\u3001\u5225\u30b5\u30a4\u30c8\u3078\u306e\u8a98\u5c0e<\/td>\n<td>\u753b\u9762\u306b\u51fa\u529b\u3059\u308b\u5024\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>CSRF<\/td>\n<td>\u30ed\u30b0\u30a4\u30f3\u4e2d\u306e\u5229\u7528\u8005\u306e\u64cd\u4f5c<\/td>\n<td>\u5229\u7528\u8005\u304c\u610f\u56f3\u3057\u306a\u3044\u6295\u7a3f\u30fb\u8a2d\u5b9a\u5909\u66f4\u30fb\u8cfc\u5165\u306a\u3069<\/td>\n<td>\u6b63\u898f\u306e\u753b\u9762\u304b\u3089\u306e\u64cd\u4f5c\u304b\u3092\u78ba\u8a8d\u3059\u308b\u4ed5\u7d44\u307f\u3092\u5165\u308c\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>CSRF\u306f\u3001\u5229\u7528\u8005\u306b\u610f\u56f3\u3057\u306a\u3044\u64cd\u4f5c\u3092\u3055\u305b\u308b\u653b\u6483\u3067\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u7d1b\u308c\u8fbc\u307e\u305b\u308bXSS\u3068\u306f\u4ed5\u7d44\u307f\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u540d\u524d\u304c\u4f3c\u3066\u3044\u3066\u3082\u5225\u306e\u653b\u6483\u306a\u306e\u3067\u3001\u5bfe\u7b56\u3082\u5206\u3051\u3066\u8003\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div style=\"border:2px solid #2d4f8f;border-radius:8px;background:#f2f5fb;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#2d4f8f\">\u30dd\u30a4\u30f3\u30c8<\/p>\n<p style=\"margin:0 0 6px\"><strong>\u5b9a\u7fa9:<\/strong> XSS\u306f\u3001Web\u30da\u30fc\u30b8\u306b\u7d1b\u308c\u8fbc\u307e\u305b\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u95b2\u89a7\u8005\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u5b9f\u884c\u3055\u305b\u308b\u653b\u6483\u3067\u3059\u3002<\/p>\n<p style=\"margin:0 0 6px\"><strong>\u88ab\u5bb3:<\/strong> \u306a\u308a\u3059\u307e\u3057\u3001\u507d\u60c5\u5831\u306e\u8868\u793a\u3001\u5225\u30b5\u30a4\u30c8\u3078\u306e\u8a98\u5c0e\u304c\u4e2d\u5fc3\u3067\u3001\u88ab\u5bb3\u3092\u53d7\u3051\u308b\u306e\u306f\u30b5\u30a4\u30c8\u306e\u5229\u7528\u8005\u3067\u3059\u3002<\/p>\n<p style=\"margin:0\"><strong>\u9055\u3044:<\/strong> SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306f\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u3001XSS\u306f\u5229\u7528\u8005\u306e\u30d6\u30e9\u30a6\u30b6\u3092\u72d9\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/vuln\/websecurity\/about.html\">IPA\u300c\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u4f5c\u308a\u65b9\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300dPDF\u7248<\/a><\/p>\n<h2>XSS\u306f\u4e3b\u306b\u53cd\u5c04\u578b\u30fb\u683c\u7d0d\u578b\u30fbDOM\u578b\u306e3\u7a2e\u985e\u306b\u5206\u3051\u3089\u308c\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u7f6e\u304b\u308c\u308b\u5834\u6240\u304c\u9055\u3046<\/h2>\n<p>XSS\u306f\u3001\u5927\u304d\u304f\u53cd\u5c04\u578b\u30fb\u683c\u7d0d\u578b\u30fbDOM\u578b\u306e3\u7a2e\u985e\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002<strong>3\u3064\u306e\u9055\u3044\u306f\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u3069\u3053\u306b\u7f6e\u304b\u308c\u3001\u3069\u306e\u7d4c\u8def\u3067\u95b2\u89a7\u8005\u306b\u5c4a\u304f\u304b\u306b\u3042\u308a\u307e\u3059\u3002<\/strong> \u307e\u305a\u306f\u5168\u4f53\u3092\u8868\u3067\u6bd4\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7a2e\u985e<\/th>\n<th>\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u7f6e\u304d\u5834\u6240<\/th>\n<th>\u95b2\u89a7\u8005\u306b\u5c4a\u304f\u7d4c\u8def<\/th>\n<th>\u5178\u578b\u7684\u306a\u767a\u751f\u7b87\u6240<\/th>\n<th>\u5f71\u97ff\u7bc4\u56f2<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u53cd\u5c04\u578b<\/td>\n<td>\u7f60\u306eURL\u3084\u30d5\u30a9\u30fc\u30e0\u306e\u9001\u4fe1\u5185\u5bb9<\/td>\n<td>\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u306b\u305d\u306e\u307e\u307e\u542b\u307e\u308c\u3066\u8fd4\u308b<\/td>\n<td>\u691c\u7d22\u7d50\u679c\u306e\u30da\u30fc\u30b8\u3001\u30a8\u30e9\u30fc\u30da\u30fc\u30b8<\/td>\n<td>\u7f60\u306e\u30ea\u30f3\u30af\u3092\u958b\u3044\u305f\u4eba<\/td>\n<\/tr>\n<tr>\n<td>\u683c\u7d0d\u578b\uff08\u6301\u7d9a\u578b\uff09<\/td>\n<td>\u30b5\u30fc\u30d0\u30fc\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306a\u3069<\/td>\n<td>\u4fdd\u5b58\u3055\u308c\u305f\u5185\u5bb9\u304c\u30da\u30fc\u30b8\u306b\u8868\u793a\u3055\u308c\u308b<\/td>\n<td>\u63b2\u793a\u677f\u3001\u30b3\u30e1\u30f3\u30c8\u6b04\u3001\u554f\u3044\u5408\u308f\u305b\u306e\u7ba1\u7406\u753b\u9762<\/td>\n<td>\u305d\u306e\u30da\u30fc\u30b8\u3092\u898b\u305f\u4eba\u3059\u3079\u3066<\/td>\n<\/tr>\n<tr>\n<td>DOM\u578b<\/td>\n<td>URL\u306e\u5024\u306a\u3069\u3001\u30d6\u30e9\u30a6\u30b6\u5074\u306e\u30c7\u30fc\u30bf<\/td>\n<td>\u30da\u30fc\u30b8\u5185\u306eJavaScript\u304c\u753b\u9762\u306b\u66f8\u304d\u8fbc\u3080<\/td>\n<td>\u753b\u9762\u3092JavaScript\u3067\u7d44\u307f\u7acb\u3066\u308b\u30da\u30fc\u30b8<\/td>\n<td>\u7f60\u306eURL\u3092\u958b\u3044\u305f\u4eba<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" alt=\"\u53cd\u5c04\u578b\u30fb\u683c\u7d0d\u578b\u30fbDOM\u578b\u305d\u308c\u305e\u308c\u306e\u653b\u6483\u7d4c\u8def\u3092\u793a\u3059\u6982\u5ff5\u56f3\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/10\/fig1-xss-types.png\" \/><\/p>\n<p>\u3069\u306e\u578b\u3082\u3001\u6700\u5f8c\u306f\u95b2\u89a7\u8005\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u52d5\u304f\u70b9\u306f\u540c\u3058\u3067\u3059\u3002\u9055\u3044\u3092\u77e5\u3063\u3066\u304a\u304f\u3068\u3001\u958b\u767a\u4f1a\u793e\u3068\u8a71\u3059\u3068\u304d\u306b\u300c\u3069\u306e\u753b\u9762\u3092\u91cd\u70b9\u7684\u306b\u78ba\u8a8d\u3059\u308b\u304b\u300d\u3092\u6c7a\u3081\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u3053\u306e3\u5206\u985e\u306f\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u6574\u7406\u3067\u3059\u304c\u3001\u4e92\u3044\u306b\u91cd\u306a\u308b\u90e8\u5206\u304c\u3042\u308a\u307e\u3059\u3002OWASP\u306f\u3001DOM\u578b\u306b\u3082\u53cd\u5c04\u578b\u30fb\u683c\u7d0d\u578b\u306e\u4e21\u65b9\u304c\u3042\u308a\u5f97\u308b\u3068\u3057\u3066\u3001\u554f\u984c\u304c\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u51e6\u7406\u306b\u3042\u308b\u304b\uff08\u30b5\u30fc\u30d0\u30fcXSS\uff09\u3001\u30d6\u30e9\u30a6\u30b6\u5074\u306e\u51e6\u7406\u306b\u3042\u308b\u304b\uff08\u30af\u30e9\u30a4\u30a2\u30f3\u30c8XSS\uff09\u3067\u5206\u3051\u308b\u8003\u3048\u65b9\u3082\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u53cd\u5c04\u578b\u306fURL\u306a\u3069\u306b\u4ed5\u8fbc\u3093\u3060\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u306b\u305d\u306e\u307e\u307e\u542b\u307e\u308c\u3066\u5b9f\u884c\u3055\u308c\u308b<\/h3>\n<p>\u53cd\u5c04\u578b\u306f\u3001<strong>\u7f60\u306e\u30ea\u30f3\u30af\u3092\u958b\u3044\u305f\u4eba\u3060\u3051\u304c\u88ab\u5bb3\u3092\u53d7\u3051\u308b<\/strong>\u30bf\u30a4\u30d7\u306eXSS\u3067\u3059\u3002\u653b\u6483\u8005\u304c\u9001\u308a\u8fbc\u3093\u3060\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u306b\u300c\u306f\u306d\u8fd4\u308b\u300d\u3088\u3046\u306b\u542b\u307e\u308c\u308b\u3053\u3068\u304b\u3089\u3001\u53cd\u5c04\u578b\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<p>\u653b\u6483\u8005\u306f\u307e\u305a\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u542b\u3080URL\u3092\u4f5c\u308a\u307e\u3059\u3002\u3053\u306eURL\u3092\u30e1\u30fc\u30eb\u3084SNS\u3067\u9001\u308a\u3001\u5229\u7528\u8005\u306b\u30af\u30ea\u30c3\u30af\u3055\u305b\u307e\u3059\u3002\u30b5\u30a4\u30c8\u5074\u304c\u53d7\u3051\u53d6\u3063\u305f\u5024\u3092\u305d\u306e\u307e\u307e\u753b\u9762\u306b\u8868\u793a\u3059\u308b\u4f5c\u308a\u3060\u3068\u3001\u8fd4\u3063\u3066\u304d\u305f\u30da\u30fc\u30b8\u306e\u4e2d\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u52d5\u3044\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u8d77\u304d\u3084\u3059\u3044\u306e\u306f\u3001\u691c\u7d22\u7d50\u679c\u306e\u30da\u30fc\u30b8\u3084\u30a8\u30e9\u30fc\u30da\u30fc\u30b8\u306e\u3088\u3046\u306b\u3001\u5165\u529b\u3057\u305f\u5024\u3092\u753b\u9762\u306b\u305d\u306e\u307e\u307e\u8868\u793a\u3059\u308b\u7b87\u6240\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u300c\u3007\u3007\u306e\u691c\u7d22\u7d50\u679c\u300d\u306e\u3088\u3046\u306b\u3001\u691c\u7d22\u8a9e\u3092\u753b\u9762\u306b\u51fa\u3059\u30da\u30fc\u30b8\u304c\u8a72\u5f53\u3057\u307e\u3059\u3002\u898b\u899a\u3048\u306e\u306a\u3044\u30ea\u30f3\u30af\u3092\u958b\u304b\u306a\u3044\u3053\u3068\u306f\u5229\u7528\u8005\u5074\u306e\u5bfe\u7b56\u3067\u3059\u304c\u3001\u6839\u672c\u7684\u306b\u306f\u30b5\u30a4\u30c8\u5074\u306e\u4f5c\u308a\u3067\u9632\u3050\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u683c\u7d0d\u578b\u306f\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30b5\u30fc\u30d0\u30fc\u306b\u4fdd\u5b58\u3055\u308c\u3001\u305d\u306e\u30da\u30fc\u30b8\u3092\u898b\u305f\u4eba\u3059\u3079\u3066\u306b\u5f71\u97ff\u3059\u308b<\/h3>\n<p>\u683c\u7d0d\u578b\u306f\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30b5\u30fc\u30d0\u30fc\u306b\u4fdd\u5b58\u3055\u308c\u3001<strong>\u305d\u306e\u30da\u30fc\u30b8\u3092\u898b\u305f\u4eba\u3059\u3079\u3066\u304c\u88ab\u5bb3\u3092\u53d7\u3051\u308b<\/strong>\u30bf\u30a4\u30d7\u306eXSS\u3067\u3059\u3002\u6301\u7d9a\u578b\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u653b\u6483\u8005\u306f\u3001\u63b2\u793a\u677f\u3084\u30b3\u30e1\u30f3\u30c8\u6b04\u3001\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u306a\u3069\u306b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u542b\u3080\u5185\u5bb9\u3092\u6295\u7a3f\u3057\u307e\u3059\u3002\u6295\u7a3f\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3055\u308c\u3001\u7121\u5bb3\u5316\u3055\u308c\u306a\u3044\u307e\u307e\u8868\u793a\u3055\u308c\u308b\u3068\u3001\u30da\u30fc\u30b8\u3092\u958b\u3044\u305f\u4eba\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u52d5\u304d\u307e\u3059\u3002\u7f60\u306e\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3057\u306a\u304f\u3066\u3082\u88ab\u5bb3\u304c\u51fa\u308b\u305f\u3081\u3001\u53cd\u5c04\u578b\u3088\u308a\u5f71\u97ff\u304c\u5e83\u304f\u306a\u308a\u3084\u3059\u3044\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n<p>\u60c5\u30b7\u30b9\u306b\u3068\u3063\u3066\u8eab\u8fd1\u306a\u306e\u306f\u3001\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u306e\u5185\u5bb9\u3092\u793e\u5185\u306e\u7ba1\u7406\u753b\u9762\u3067\u958b\u304f\u5834\u9762\u3067\u3059\u3002\u5916\u90e8\u304b\u3089\u9001\u3089\u308c\u305f\u554f\u3044\u5408\u308f\u305b\u3092\u8868\u793a\u3057\u305f\u3068\u304d\u306b\u3001\u60c5\u30b7\u30b9\u3084\u793e\u54e1\u81ea\u8eab\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u52d5\u304f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u7ba1\u7406\u753b\u9762\u306f\u793e\u5185\u5411\u3051\u3060\u304b\u3089\u5b89\u5168\u3001\u3068\u306f\u8003\u3048\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>DOM\u578b\u306f\u30d6\u30e9\u30a6\u30b6\u4e0a\u306eJavaScript\u306e\u51e6\u7406\u3067\u8d77\u304d\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u5bfe\u7b56\u3060\u3051\u3067\u306f\u9632\u304e\u304d\u308c\u306a\u3044<\/h3>\n<p>DOM\u578b\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u8fd4\u3059HTML\u3067\u306f\u306a\u304f\u3001<strong>\u30d6\u30e9\u30a6\u30b6\u4e0a\u306eJavaScript\u306e\u51e6\u7406\u304c\u539f\u56e0\u3067\u8d77\u304d\u308b<\/strong>\u30bf\u30a4\u30d7\u306eXSS\u3067\u3059\u3002DOM\u3068\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30da\u30fc\u30b8\u306e\u69cb\u9020\u3092\u6271\u3046\u305f\u3081\u306e\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u6700\u8fd1\u306eWeb\u30b5\u30a4\u30c8\u3067\u306f\u3001\u30da\u30fc\u30b8\u5185\u306eJavaScript\u304cURL\u306e\u5024\u306a\u3069\u3092\u8aad\u307f\u53d6\u308a\u3001\u753b\u9762\u306b\u66f8\u304d\u8fbc\u3080\u51e6\u7406\u304c\u3088\u304f\u4f7f\u308f\u308c\u307e\u3059\u3002\u3053\u306e\u51e6\u7406\u3067\u5024\u3092\u7121\u5bb3\u5316\u3057\u306a\u3044\u307e\u307e\u66f8\u304d\u8fbc\u3080\u3068\u3001URL\u306b\u4ed5\u8fbc\u307e\u308c\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u52d5\u3044\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30b5\u30fc\u30d0\u30fc\u306b\u5c4a\u304b\u306a\u3044\u5834\u5408\u3082\u3042\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3066\u3044\u3066\u3082\u9632\u3052\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001DOM\u578b\u3078\u306e\u5bfe\u7b56\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u51e6\u7406\u306b\u52a0\u3048\u3066\u3001\u753b\u9762\u5074\u306eJavaScript\u306e\u78ba\u8a8d\u3082\u5fc5\u8981\u3067\u3059\u3002\u958b\u767a\u4f1a\u793e\u306b\u78ba\u8a8d\u3059\u308b\u3068\u304d\u3082\u3001\u300c\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u5bfe\u7b56\u304c\u5165\u3063\u3066\u3044\u308b\u304b\u300d\u3060\u3051\u3067\u7d42\u308f\u3089\u305b\u306a\u3044\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/vuln\/websecurity\/about.html\">IPA\u300c\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u4f5c\u308a\u65b9\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/owasp.org\/www-community\/Types_of_Cross-Site_Scripting\">OWASP\u300cTypes of XSS\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/cheatsheetseries.owasp.org\/cheatsheets\/DOM_based_XSS_Prevention_Cheat_Sheet.html\">OWASP\u300cDOM based XSS Prevention Cheat Sheet\u300d<\/a><\/p>\n<h2>IPA\u306e\u5c4a\u51fa\u7d71\u8a08\u3067\u306f\u3001XSS\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u8106\u5f31\u6027\u306e\u7d2f\u8a0856%\u3092\u5360\u3081\u3066\u7a2e\u985e\u5225\u3067\u6700\u591a<\/h2>\n<p>\u3053\u3053\u304b\u3089\u306f\u3001\u516c\u7684\u306a\u7d71\u8a08\u3067XSS\u306e\u4f4d\u7f6e\u3065\u3051\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u4f7f\u3046\u306e\u306f\u3001IPA\u3068JPCERT\/CC\u304c\u904b\u7528\u3057\u3066\u3044\u308b\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084Web\u30b5\u30a4\u30c8\u306e<a href=\"https:\/\/venu-sys.co.jp\/jo-sys\/8758\/\">\u8106\u5f31\u6027<\/a>\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u5236\u5ea6\u306e\u7d71\u8a08\u3067\u3059\u3002\u3053\u306e\u5236\u5ea6\u306f2004\u5e74\u304b\u3089\u5c4a\u51fa\u3092\u53d7\u3051\u4ed8\u3051\u3066\u304a\u308a\u3001XSS\u306e\u5272\u5408\u3082\u305d\u3053\u304b\u3089\u306e\u7d2f\u8a08\u3067\u96c6\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6570\u5024\u3092\u898b\u308b\u524d\u306b\u3001\u7d71\u8a08\u306e\u6027\u8cea\u3092\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u7d71\u8a08\u306f\u3001\u7b2c\u4e09\u8005\u304c\u8106\u5f31\u6027\u3092\u898b\u3064\u3051\u3066\u4efb\u610f\u306b\u5c4a\u3051\u51fa\u305f\u4ef6\u6570\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002IPA\u81ea\u8eab\u3082\u3001\u3053\u306e\u7d71\u8a08\u5024\u306f\u672c\u5236\u5ea6\u306b\u304a\u3051\u308b\u5c4a\u51fa\u306e\u50be\u5411\u3067\u3042\u308b\u3053\u3068\u306b\u7559\u610f\u3059\u308b\u3088\u3046\u6ce8\u8a18\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u3064\u307e\u308a\u3001Web\u4e0a\u306e\u8106\u5f31\u6027\u5168\u4f53\u306e\u5206\u5e03\u3092\u8868\u3059\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong><\/p>\n<p>\u307e\u305f\u3001\u8106\u5f31\u6027\u306e\u7a2e\u985e\u5225\u306e\u5185\u8a33\u306f\u3001IPA\u306e\u56db\u534a\u671f\u30ec\u30dd\u30fc\u30c8\u306e\u3046\u3061PDF\u7248\u306b\u3060\u3051\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u964d\u306e\u6570\u5024\u306b\u306f\u3001\u3069\u306e\u6642\u70b9\u306e\u3001\u3069\u306e\u7bc4\u56f2\u306e\u96c6\u8a08\u304b\u3092\u5fc5\u305a\u6dfb\u3048\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h3>2026\u5e746\u6708\u672b\u6642\u70b9\u306e\u5c4a\u51fa\u7d2f\u8a08\u3067\u306f\u3001XSS\u304c56%\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u304c11%\u3067\u7d045\u500d\u306e\u5dee\u304c\u3042\u308b<\/h3>\n<p>IPA\u306e\u5c4a\u51fa\u7d71\u8a08\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u306e\u7d2f\u8a08\u3092\u7a2e\u985e\u5225\u306b\u898b\u308b\u3068\u3001<mark>XSS\u306f2026\u5e746\u6708\u672b\u6642\u70b9\u306756%\u3092\u5360\u3081\u3001\u7a2e\u985e\u5225\u3067\u6700\u3082\u591a\u3044<\/mark>\u8106\u5f31\u6027\u3067\u3059\u30022\u4f4d\u306fSQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3067\u3001XSS\u3068\u306f\u7d045\u500d\u306e\u958b\u304d\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u8106\u5f31\u6027\u306e\u7a2e\u985e<\/th>\n<th>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u533a\u5206\u306e\u5c4a\u51fa\u7d2f\u8a08\u306b\u5360\u3081\u308b\u5272\u5408\uff082026\u5e746\u6708\u672b\u6642\u70b9\uff09<\/th>\n<th>\u9806\u4f4d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\uff08XSS\uff09<\/td>\n<td>56%<\/td>\n<td>1\u4f4d<\/td>\n<\/tr>\n<tr>\n<td>SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/td>\n<td>11%<\/td>\n<td>2\u4f4d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300dPDF\u7248<\/a>\u3092\u3082\u3068\u306b\u4f5c\u6210<\/p>\n<p><img decoding=\"async\" alt=\"\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u8106\u5f31\u6027\u306e\u5c4a\u51fa\u7d2f\u8a08\u306b\u5360\u3081\u308bXSS\u3068SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u30b7\u30a7\u30a2\u3092\u793a\u3059\u6a2a\u68d2\u30b0\u30e9\u30d5\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/10\/fig2-share-top2.png\" \/><\/p>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u56f3\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300dPDF\u7248<\/a>\u306e\u30c7\u30fc\u30bf\u3092\u3082\u3068\u306b\u4f5c\u6210<\/p>\n<p>\u534a\u5e74\u524d\u306e2025\u5e7412\u6708\u672b\u6642\u70b9\u3067\u306f\u3001XSS\u306e\u5272\u5408\u306f57%\u3067\u3057\u305f\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u533a\u5206\u306e\u5c4a\u51fa\u7d2f\u8a08\u306f\u30012026\u5e746\u6708\u672b\u6642\u70b9\u306713,599\u4ef6\u3067\u3059\u3002\u306a\u304a\u3001\u5272\u5408\u306e\u5206\u6bcd\u306f\u4e0d\u53d7\u7406\u5206\u306a\u3069\u3092\u9664\u3044\u305f\u4ef6\u6570\u306e\u305f\u3081\u3001\u3053\u306e\u7d2f\u8a08\u4ef6\u6570\u3068\u306f\u5b8c\u5168\u306b\u306f\u4e00\u81f4\u3057\u307e\u305b\u3093\u3002<\/p>\n<h3>\u5c4a\u3051\u51fa\u3089\u308c\u305fXSS\u306e\u4fee\u6b63\u5b8c\u4e86\u306f5,691\u4ef6\u3067\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u7d045.5\u500d\u306b\u3042\u305f\u308b<\/h3>\n<p>\u5c4a\u3051\u51fa\u3089\u308c\u305f\u8106\u5f31\u6027\u304c\u3001\u305d\u306e\u5f8c\u3069\u308c\u3060\u3051\u4fee\u6b63\u3055\u308c\u305f\u304b\u3082\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u533a\u5206\u3067\u4fee\u6b63\u304c\u5b8c\u4e86\u3057\u305fXSS\u306f\u30012026\u5e746\u6708\u672b\u6642\u70b9\u306e\u7d2f\u8a08\u30675,691\u4ef6\u3067\u3059\u30022025\u5e7412\u6708\u672b\u6642\u70b9\u306e5,681\u4ef6\u304b\u3089\u3001\u534a\u5e74\u306710\u4ef6\u5897\u3048\u307e\u3057\u305f\u3002<\/p>\n<p>\u4e00\u65b9\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u4fee\u6b63\u5b8c\u4e86\u306f\u30012025\u5e7412\u6708\u672b\u30822026\u5e746\u6708\u672b\u30821,040\u4ef6\u3067\u3001\u5909\u308f\u3063\u3066\u3044\u307e\u305b\u3093\u30022026\u5e746\u6708\u672b\u6642\u70b9\u3067\u6bd4\u3079\u308b\u3068\u3001XSS\u306e\u4fee\u6b63\u5b8c\u4e86\u306fSQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u7d045.5\u500d\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u6570\u5b57\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001\u4fee\u6b63\u5b8c\u4e86\u306e\u5dee\uff08\u7d045.5\u500d\uff09\u304c\u3001\u5c4a\u51fa\u7d2f\u8a08\u306e\u5272\u5408\u306e\u5dee\uff08\u7d045\u500d\uff09\u3068\u307b\u307c\u540c\u3058\u6c34\u6e96\u306b\u3042\u308b\u3053\u3068\u3067\u3059\u3002<strong>XSS\u3060\u3051\u304c\u76f4\u3055\u308c\u305a\u306b\u6b8b\u3063\u3066\u3044\u308b\u3001\u3068\u3044\u3046\u69d8\u5b50\u306f\u6570\u5b57\u304b\u3089\u306f\u898b\u3048\u307e\u305b\u3093\u3002<\/strong><\/p>\n<p>\u3080\u3057\u308dXSS\u306f\u3001\u76f4\u8fd1\u3067\u3082\u5c4a\u51fa\u3068\u4fee\u6b63\u304c\u7d9a\u3044\u3066\u3044\u308b\u7a2e\u985e\u3060\u3068\u3044\u3048\u307e\u3059\u3002\u305f\u3060\u3057\u5272\u5408\u306f\u6574\u6570\u306b\u4e38\u3081\u305f\u5024\u306a\u306e\u3067\u3001\u6bd4\u3079\u3089\u308c\u308b\u306e\u306f\u300c\u307b\u307c\u540c\u3058\u300d\u3068\u3044\u3046\u3068\u3053\u308d\u307e\u3067\u3067\u3059\u3002<\/p>\n<h3>XSS\u306e\u9996\u4f4d\u306f\u5c4a\u51fa\u304c\u6700\u3082\u591a\u304b\u3063\u305f2008\u5e74\u3054\u308d\u304b\u3089\u7d9a\u304f\u50be\u5411\u3067\u300157%\u304b\u308956%\u3078\u306e\u5909\u5316\u306f\u6e1b\u5c11\u3092\u610f\u5473\u3057\u306a\u3044<\/h3>\n<p>IPA\u306b\u3088\u308b\u3068\u3001\u5c4a\u51fa\u5236\u5ea6\u304c\u59cb\u307e\u3063\u3066\u304b\u3089\u5c4a\u51fa\u4ef6\u6570\u304c\u6700\u3082\u591a\u304b\u3063\u305f\u306e\u306f2008\u5e74\u3067\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u88fd\u54c1\u3068\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u5408\u8a08\u30672,622\u4ef6\u3067\u3057\u305f\u3002IPA\u306f\u3001\u3053\u306e\u5e74\u306b\u4ef6\u6570\u304c\u591a\u304b\u3063\u305f\u4e3b\u306a\u7406\u7531\u3068\u3057\u3066\u3001XSS\u3068DNS\u60c5\u5831\u306e\u8a2d\u5b9a\u4e0d\u5099\u306e\u5c4a\u51fa\u304c\u591a\u304b\u3063\u305f\u3053\u3068\u3092\u6319\u3052\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u7d4c\u7def\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001XSS\u306e\u9996\u4f4d\u306f\u6700\u8fd1\u306e\u73fe\u8c61\u3067\u306f\u306a\u304f\u3001\u5236\u5ea6\u306e\u521d\u671f\u304b\u3089\u7d9a\u304f\u9577\u3044\u50be\u5411\u3060\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u533a\u5206\u306e\u5c4a\u51fa\u306f\u30012023\u301c2025\u5e74\u306e3\u5e74\u9593\u3067\u5408\u8a081,019\u4ef6\u3067\u3057\u305f\u3002\u3053\u308c\u306f2025\u5e7412\u6708\u672b\u306e\u7d2f\u8a0813,467\u4ef6\u306e\u7d047.6%\u306b\u3059\u304e\u305a\u3001\u7d2f\u8a08\u306e\u5927\u534a\u306f\u904e\u53bb\u306e\u5c4a\u51fa\u3067\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u540c\u3058\u7406\u7531\u3067\u300157%\u304b\u308956%\u3078\u306e1\u30dd\u30a4\u30f3\u30c8\u306e\u5909\u5316\u3082\u3001XSS\u304c\u6e1b\u3063\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u305b\u3093\u3002\u534a\u5e74\u9593\u3067\u7d2f\u8a08\u304c\u5897\u3048\u305f\u306e\u306f132\u4ef6\u3067\u3001\u7d2f\u8a08\u5168\u4f53\u306e\u7d041%\u3067\u3059\u3002<\/p>\n<p><strong>\u3053\u306e\u7a0b\u5ea6\u306e\u5897\u52a0\u3067\u306f\u3001\u6574\u6570\u306b\u4e38\u3081\u305f\u5272\u5408\u304c1\u30dd\u30a4\u30f3\u30c8\u52d5\u3044\u3066\u3082\u4e38\u3081\u306e\u7bc4\u56f2\u306b\u53ce\u307e\u308a\u307e\u3059<\/strong>\u3002\u7d2f\u8a08\u306e\u5272\u5408\u306e\u5c0f\u3055\u306a\u4e0a\u4e0b\u3092\u3001\u5897\u6e1b\u306e\u50be\u5411\u3068\u3057\u3066\u8aad\u307e\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>2026\u5e744\u301c6\u6708\u306e\u65b0\u898f\u5c4a\u51fa65\u4ef6\u306b\u9650\u308b\u3068\u3001XSS\u306f8\u4ef6\u3067\u7d0412%\u306b\u3068\u3069\u307e\u308b<\/h3>\n<p>\u7d2f\u8a08\u3067\u306f\u306a\u304f\u3001\u56db\u534a\u671f\u3054\u3068\u306e\u65b0\u898f\u306e\u5c4a\u51fa\u3067\u898b\u308b\u3068\u3001XSS\u306e\u898b\u3048\u65b9\u306f\u5927\u304d\u304f\u5909\u308f\u308a\u307e\u3059\u30022026\u5e744\u301c6\u6708\u306b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u3068\u3057\u3066\u5c4a\u3051\u51fa\u3089\u308c\u305f\u306e\u306f65\u4ef6\u3067\u3001\u305d\u306e\u3046\u3061XSS\u306f8\u4ef6\u3067\u3057\u305f\u3002\u8a08\u7b97\u3059\u308b\u3068\u7d0412%\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u671f\u9593<\/th>\n<th>XSS\u306e\u5c4a\u51fa\u4ef6\u6570<\/th>\n<th>\u305d\u306e\u56db\u534a\u671f\u3067\u306e\u9806\u4f4d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2025\u5e7410\u301c12\u6708<\/td>\n<td>8\u4ef6<\/td>\n<td>2\u4f4d<\/td>\n<\/tr>\n<tr>\n<td>2026\u5e744\u301c6\u6708<\/td>\n<td>8\u4ef6<\/td>\n<td>1\u4f4d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/omgdg50000007gdr-att\/vuln_software_report_2025q4.pdf\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2025\u5e74\u7b2c4\u56db\u534a\u671f\uff0810\u6708\u301c12\u6708\uff09\uff3d\u300dPDF\u7248<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300dPDF\u7248<\/a>\u3092\u3082\u3068\u306b\u4f5c\u6210<\/p>\n<p><img decoding=\"async\" alt=\"XSS\u306e\u7d2f\u8a08\u30b7\u30a7\u30a256%\u30682026\u5e744\u301c6\u6708\u306e\u65b0\u898f\u5c4a\u51fa\u306b\u5360\u3081\u308b\u5272\u5408\u7d0412%\u3092\u6bd4\u8f03\u3057\u305f\u6a2a\u68d2\u30b0\u30e9\u30d5\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/10\/fig3-cumulative-vs-quarter.png\" \/><\/p>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u56f3\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300dPDF\u7248<\/a>\u306e\u30c7\u30fc\u30bf\u3092\u3082\u3068\u306b\u4f5c\u6210\uff08\u7d0412%\u306f\u4ef6\u6570\u304b\u3089\u306e\u8a08\u7b97\u5024\uff09<\/p>\n<p>\u3053\u306e\u6bd4\u8f03\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001<mark>\u7d2f\u8a08\u306e56%\u3092\u300c\u3044\u307e\u5c4a\u3051\u51fa\u3089\u308c\u308b\u8106\u5f31\u6027\u306e\u534a\u5206\u4ee5\u4e0a\u304cXSS\u300d\u3068\u8aad\u3080\u306e\u306f\u8aa4\u308a<\/mark>\u3060\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u30022025\u5e7410\u301c12\u6708\u306b\u306f\u3001XSS\u306f2\u756a\u76ee\u3067\u3001\u9996\u4f4d\u306f\u300c\u30d5\u30a1\u30a4\u30eb\u306e\u8aa4\u3063\u305f\u516c\u958b\u300d\u3068\u3044\u3046\u5225\u306e\u7a2e\u985e\u3067\u3057\u305f\u3002<\/p>\n<p><strong>\u300cXSS\u304c\u6700\u591a\u300d\u3068\u3044\u3046\u306e\u306f\u30012004\u5e74\u304b\u3089\u306e\u7d2f\u8a08\u3067\u898b\u305f\u5834\u5408\u306e\u8a71\u3067\u3059\u3002<\/strong> \u305f\u3060\u3057\u3001\u56db\u534a\u671f\u3054\u3068\u306e\u4ef6\u6570\u306f\u5c11\u306a\u304f\u3001\u7279\u5b9a\u306e\u767a\u898b\u8005\u304c\u307e\u3068\u3081\u3066\u5c4a\u3051\u51fa\u308b\u3068\u5927\u304d\u304f\u632f\u308c\u307e\u3059\u30022\u56db\u534a\u671f\u5206\u3060\u3051\u3067\u300cXSS\u304c\u6e1b\u3063\u3066\u304d\u3066\u3044\u308b\u300d\u3068\u5224\u65ad\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<div style=\"border:2px solid #eb6834;border-radius:8px;background:#fdf3ee;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#c2521f\">\u6ce8\u610f<\/p>\n<p style=\"margin:0 0 6px\">XSS\u306e56%\u306f2004\u5e74\u304b\u3089\u306e\u7d2f\u8a08\u306e\u5272\u5408\u3067\u3001\u56db\u534a\u671f\u3054\u3068\u306e\u65b0\u898f\u5c4a\u51fa\u306b\u5360\u3081\u308b\u5272\u5408\u3068\u306f\u5225\u306e\u6570\u5024\u3067\u3059\u3002\u8cc7\u6599\u306b\u5f15\u7528\u3059\u308b\u3068\u304d\u306f\u300c\u7d2f\u8a08\u300d\u3068\u300c\u6642\u70b9\u300d\u3092\u5fc5\u305a\u6dfb\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p style=\"margin:0\">\u307e\u305f\u3001\u5c4a\u51fa\u4ef6\u6570\u306f\u7b2c\u4e09\u8005\u304c\u898b\u3064\u3051\u3066\u5c4a\u3051\u51fa\u305f\u4ef6\u6570\u3067\u3001\u5b9f\u969b\u306b\u88ab\u5bb3\u304c\u8d77\u304d\u305f\u4ef6\u6570\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<\/div>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300dPDF\u7248<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/omgdg50000007gdr-att\/vuln_software_report_2025q4.pdf\">IPA\u300c\u540c\uff3b2025\u5e74\u7b2c4\u56db\u534a\u671f\uff0810\u6708\u301c12\u6708\uff09\uff3d\u300dPDF\u7248<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2026q2.html\">IPA\u300c\u540c\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff3d\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2025q4.html\">IPA\u300c\u540c\uff3b2025\u5e74\u7b2c4\u56db\u534a\u671f\uff3d\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2024q4.html\">IPA\u300c\u540c\uff3b2024\u5e74\u7b2c4\u56db\u534a\u671f\uff3d\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2023q4.html\">IPA\u300c\u540c\uff3b2023\u5e74\u7b2c4\u56db\u534a\u671f\uff3d\u300d<\/a><\/p>\n<h2>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u5c4a\u51fa\u306f2025\u5e74\u306b178\u4ef6\u307e\u3067\u6e1b\u3063\u305f\u304c\u3001XSS\u306e\u30ea\u30b9\u30af\u304c\u4e0b\u304c\u3063\u305f\u8a3c\u62e0\u306b\u306f\u306a\u3089\u306a\u3044<\/h2>\n<p>\u3053\u3053\u3067\u306f\u3001\u7a2e\u985e\u3092\u554f\u308f\u306a\u3044\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u306e\u5c4a\u51fa\u4ef6\u6570\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u5e74\u9593\u306e\u5c4a\u51fa\u4ef6\u6570\u306f\u30012025\u5e74\u306b178\u4ef6\u307e\u3067\u6e1b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u305f\u3060\u3001<strong>\u4ef6\u6570\u304c\u6e1b\u3063\u305f\u304b\u3089\u3068\u3044\u3063\u3066\u3001Web\u30b5\u30a4\u30c8\u304c\u5b89\u5168\u306b\u306a\u3063\u305f\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3002<\/strong> \u5c4a\u51fa\u4ef6\u6570\u306e\u63a8\u79fb\u3092\u8aad\u3080\u3068\u304d\u306e\u6ce8\u610f\u70b9\u3068\u3001\u305d\u308c\u304cXSS\u306b\u3068\u3063\u3066\u3069\u3046\u3044\u3046\u610f\u5473\u3092\u6301\u3064\u306e\u304b\u3092\u9806\u306b\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u533a\u5206\u306e\u5e74\u9593\u5c4a\u51fa\u306f2023\u5e74\u306e505\u4ef6\u304b\u30892025\u5e74\u306e178\u4ef6\u3078\u30012\u5e74\u3067\u7d043\u5206\u306e1\u306b\u6e1b\u3063\u305f<\/h3>\n<p>IPA\u306e\u7d71\u8a08\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u533a\u5206\u306e\u5e74\u9593\u306e\u5c4a\u51fa\u4ef6\u6570\u3068\u4fee\u6b63\u5b8c\u4e86\u4ef6\u6570\u3092\u4e26\u3079\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u5c4a\u51fa\u306f2\u5e74\u3067\u7d043\u5206\u306e1\u306b\u6e1b\u308a\u307e\u3057\u305f\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5e74<\/th>\n<th>\u5c4a\u51fa\u4ef6\u6570\uff08\u5e74\u9593\uff09<\/th>\n<th>\u4fee\u6b63\u5b8c\u4e86\u4ef6\u6570\uff08\u5e74\u9593\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2023\u5e74<\/td>\n<td>505\u4ef6<\/td>\n<td>242\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>2024\u5e74<\/td>\n<td>336\u4ef6<\/td>\n<td>132\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>2025\u5e74<\/td>\n<td>178\u4ef6<\/td>\n<td>98\u4ef6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2023q4.html\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2023\u5e74\u7b2c4\u56db\u534a\u671f\uff3d\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2024q4.html\">IPA\u300c\u540c\uff3b2024\u5e74\u7b2c4\u56db\u534a\u671f\uff3d\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2025q4.html\">IPA\u300c\u540c\uff3b2025\u5e74\u7b2c4\u56db\u534a\u671f\uff3d\u300d<\/a>\u3092\u3082\u3068\u306b\u4f5c\u6210\u3002\u3044\u305a\u308c\u3082\u7a2e\u985e\u3092\u554f\u308f\u306a\u3044\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u533a\u5206\u306e\u5408\u8a08<\/p>\n<p><img decoding=\"async\" alt=\"\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u533a\u5206\u306e\u5e74\u9593\u5c4a\u51fa\u4ef6\u6570\u3068\u4fee\u6b63\u5b8c\u4e86\u4ef6\u6570\u306e2023\u5e74\u304b\u30892025\u5e74\u307e\u3067\u306e\u63a8\u79fb\u3092\u793a\u3059\u68d2\u30b0\u30e9\u30d5\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/10\/fig4-report-fix-trend.png\" \/><\/p>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u56f3\u306e\u51fa\u5178: \u4e0a\u8a18\u306eIPA\u8cc7\u6599\uff082023\u5e74\u30fb2024\u5e74\u30fb2025\u5e74\u306e\u5404\u7b2c4\u56db\u534a\u671f\uff09\u306e\u30c7\u30fc\u30bf\u3092\u3082\u3068\u306b\u4f5c\u6210<\/p>\n<p>\u3053\u306e\u63a8\u79fb\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001\u5c4a\u51fa\u306e\u6e1b\u5c11\u3092\u5b89\u5168\u6027\u306e\u5411\u4e0a\u3068\u306f\u8aad\u3081\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u5c4a\u51fa\u306f\u7b2c\u4e09\u8005\u304c\u898b\u3064\u3051\u3066\u4efb\u610f\u306b\u5c4a\u3051\u51fa\u305f\u4ef6\u6570\u3067\u3001\u8106\u5f31\u306a\u30b5\u30a4\u30c8\u306e\u6570\u3092\u6570\u3048\u305f\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<mark>XSS\u306b\u3064\u3044\u3066\u3082\u3001\u5c4a\u51fa\u306e\u6e1b\u5c11\u306f\u300cXSS\u304c\u8d77\u304d\u306b\u304f\u304f\u306a\u3063\u305f\u300d\u3053\u3068\u306e\u8a3c\u62e0\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/mark><\/p>\n<h3>2026\u5e74\u4e0a\u534a\u671f\u306e\u5c4a\u51fa\u306f\u7d04130\u4ef6\u3067\u3001\u3059\u3067\u306b2025\u5e74\u901a\u5e74\u306e7\u5272\u4ee5\u4e0a\u306b\u9054\u3057\u3066\u3044\u308b<\/h3>\n<p>2026\u5e74\u306b\u5165\u3063\u3066\u304b\u3089\u306e\u52d5\u304d\u3082\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u533a\u5206\u306e\u5c4a\u51fa\u7d2f\u8a08\u306f\u30012025\u5e7412\u6708\u672b\u306e13,467\u4ef6\u304b\u3089\u30012026\u5e746\u6708\u672b\u306b\u306f13,599\u4ef6\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u5dee\u304b\u3089\u8a08\u7b97\u3059\u308b\u3068\u30012026\u5e74\u4e0a\u534a\u671f\u306e\u5c4a\u51fa\u306f132\u4ef6\u3067\u3059\u3002\u305f\u3060\u3057\u30012026\u5e74\u7b2c2\u56db\u534a\u671f\u306e\u8cc7\u6599\u3067\u306f2025\u5e7412\u6708\u672b\u306e\u7d2f\u8a08\u304c\u308f\u305a\u304b\u306b\u4fee\u6b63\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u56db\u534a\u671f\u3054\u3068\u306e\u4ef6\u6570\u304b\u3089\u6570\u3048\u76f4\u3059\u30681\u4ef6\u307b\u3069\u305a\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u3053\u3053\u3067\u306f\u7d04130\u4ef6\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3046\u30614\u301c6\u6708\u306e\u5c4a\u51fa\u306f65\u4ef6\u3067\u3057\u305f\u3002\u4e0a\u534a\u671f\u306e\u7d04130\u4ef6\u306f\u30012025\u5e74\u901a\u5e74\u306e178\u4ef6\u306e7\u5272\u4ee5\u4e0a\u306b\u3042\u305f\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u6570\u5b57\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001<strong>\u5c4a\u51fa\u306e\u6e1b\u5c11\u304c\u4eca\u3082\u7d9a\u3044\u3066\u3044\u308b\u3068\u306f\u8a00\u3048\u306a\u3044<\/strong>\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u534a\u5e74\u5206\u306e\u6570\u5b57\u3060\u3051\u3067\u300c\u5897\u52a0\u306b\u8ee2\u3058\u305f\u300d\u3068\u5224\u65ad\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u305b\u3093\u3002XSS\u306b\u3068\u3063\u3066\u3082\u3001\u4ef6\u6570\u306e\u5897\u6e1b\u3060\u3051\u3067\u30ea\u30b9\u30af\u306e\u9ad8\u3044\u30fb\u4f4e\u3044\u3092\u6c7a\u3081\u306a\u3044\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<h3>IPA\u306f\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u305f\u653b\u6483\u30926\u5e74\u9023\u7d9a\u306710\u5927\u8105\u5a01\u306b\u9078\u3073\u30012026\u5e74\u7248\u306e\u7d44\u7e54\u5411\u3051\u3067\u306f4\u4f4d\u306b\u3057\u3066\u3044\u308b<\/h3>\n<p>IPA\u306e\u300c<a href=\"https:\/\/venu-sys.co.jp\/jo-sys\/10540\/\">\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01<\/a> 2026\u300d\u306e\u7d44\u7e54\u5411\u3051\u3067\u306f\u3001\u300c\u30b7\u30b9\u30c6\u30e0\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u305f\u653b\u6483\u300d\u304c4\u4f4d\u306b\u5165\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8105\u5a01\u304c\u9078\u3070\u308c\u305f\u306e\u306f6\u5e74\u9023\u7d9a\u3067\u3059\u3002<\/p>\n<p>\u6ce8\u610f\u3057\u305f\u3044\u306e\u306f\u3001<strong>\u3053\u306e\u9806\u4f4d\u306f\u8106\u5f31\u6027\u306e\u60aa\u7528\u5168\u822c\u306b\u3064\u3044\u3066\u306e\u3082\u306e\u3067\u3001XSS\u3060\u3051\u306e\u9806\u4f4d\u3067\u306f\u306a\u3044<\/strong>\u3053\u3068\u3067\u3059\u300210\u5927\u8105\u5a01\u306f\u3001XSS\u3084SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3068\u3044\u3063\u305f\u7a2e\u985e\u3092\u5206\u3051\u305a\u306b\u3001\u8106\u5f31\u6027\u306e\u60aa\u7528\u3092\u3072\u3068\u307e\u3068\u3081\u306b\u3057\u3066\u8a55\u4fa1\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3053\u3068\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001\u5c4a\u51fa\u4ef6\u6570\u306810\u5927\u8105\u5a01\u306e\u9806\u4f4d\u306f\u3001\u6e2c\u3063\u3066\u3044\u308b\u3082\u306e\u304c\u9055\u3046\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u5c4a\u51fa\u4ef6\u6570\u306f\u300c\u898b\u3064\u304b\u3063\u3066\u5c4a\u3051\u51fa\u3089\u308c\u305f\u91cf\u300d\u3092\u300110\u5927\u8105\u5a01\u306f\u300c\u793e\u4f1a\u3078\u306e\u5f71\u97ff\u306e\u5927\u304d\u3055\u306e\u8a55\u4fa1\u300d\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002XSS\u3092\u542b\u3080Web\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u3078\u306e\u5099\u3048\u306f\u3001\u5c4a\u51fa\u4ef6\u6570\u304c\u6e1b\u3063\u3066\u3082\u5f15\u304d\u7d9a\u304d\u5fc5\u8981\u3060\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n<div style=\"border:2px solid #eb6834;border-radius:8px;background:#fdf3ee;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#c2521f\">\u6ce8\u610f<\/p>\n<p style=\"margin:0\">\u5c4a\u51fa\u4ef6\u6570\u306f\u3001\u7b2c\u4e09\u8005\u304c\u8106\u5f31\u6027\u3092\u898b\u3064\u3051\u3066IPA\u306b\u5c4a\u3051\u51fa\u305f\u4ef6\u6570\u3067\u3059\u3002\u8106\u5f31\u306aWeb\u30b5\u30a4\u30c8\u306e\u6570\u3084\u3001\u653b\u6483\u3092\u53d7\u3051\u305f\u30b5\u30a4\u30c8\u306e\u6570\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4ef6\u6570\u304c\u6e1b\u3063\u3066\u3082\u3001\u81ea\u793e\u30b5\u30a4\u30c8\u306e\u5bfe\u7b56\u3092\u7de9\u3081\u3066\u3088\u3044\u7406\u7531\u306b\u306f\u306a\u3089\u306a\u3044\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2023q4.html\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2023\u5e74\u7b2c4\u56db\u534a\u671f\uff3d\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2024q4.html\">IPA\u300c\u540c\uff3b2024\u5e74\u7b2c4\u56db\u534a\u671f\uff3d\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2025q4.html\">IPA\u300c\u540c\uff3b2025\u5e74\u7b2c4\u56db\u534a\u671f\uff3d\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2026q2.html\">IPA\u300c\u540c\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff3d\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/10threats\/omgdg50000008fi8-att\/kaisetsu_2026_soshiki.pdf\">IPA\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\u7d44\u7e54\u7de8 \u89e3\u8aac\u66f8<\/a><\/p>\n<h2>XSS\u5358\u72ec\u306e\u88ab\u5bb3\u4ef6\u6570\u3084\u5bfe\u7b56\u306e\u5c0e\u5165\u7387\u306f\u516c\u7684\u7d71\u8a08\u306b\u7121\u304f\u3001\u5206\u304b\u308b\u306e\u306f\u5c4a\u51fa\u3068\u4fee\u6b63\u306e\u4ef6\u6570\u307e\u3067<\/h2>\n<p>\u3053\u3053\u307e\u3067IPA\u306e\u7d71\u8a08\u3092\u898b\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u516c\u7684\u7d71\u8a08\u3067\u5206\u304b\u308b\u3053\u3068\u306b\u306f\u9650\u308a\u304c\u3042\u308a\u307e\u3059\u3002<strong>XSS\u306b\u3064\u3044\u3066\u516c\u7684\u7d71\u8a08\u3067\u5206\u304b\u308b\u306e\u306f\u3001\u5c4a\u51fa\u3068\u4fee\u6b63\u5b8c\u4e86\u306e\u4ef6\u6570\u307e\u3067<\/strong>\u3067\u3059\u3002\u5206\u304b\u308b\u3053\u3068\u3068\u5206\u304b\u3089\u306a\u3044\u3053\u3068\u3092\u3001\u8868\u306b\u6574\u7406\u3057\u307e\u3057\u305f\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u516c\u7684\u7d71\u8a08\u3067\u5206\u304b\u308b\u3053\u3068<\/th>\n<th>\u516c\u7684\u7d71\u8a08\u3067\u306f\u5206\u304b\u3089\u306a\u3044\u3053\u3068<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5c4a\u51fa\u7d2f\u8a08\u306b\u5360\u3081\u308bXSS\u306e\u5272\u5408\uff082026\u5e746\u6708\u672b\u6642\u70b9\u306756%\uff09<\/td>\n<td>XSS\u304c\u539f\u56e0\u3067\u8d77\u304d\u305f\u88ab\u5bb3\u306e\u4ef6\u6570\u3084\u88ab\u5bb3\u984d<\/td>\n<\/tr>\n<tr>\n<td>XSS\u306e\u4fee\u6b63\u5b8c\u4e86\u4ef6\u6570\uff082026\u5e746\u6708\u672b\u6642\u70b9\u306e\u7d2f\u8a08\u30675,691\u4ef6\uff09<\/td>\n<td>\u30a8\u30b9\u30b1\u30fc\u30d7\u3001CSP\u306a\u3069XSS\u5bfe\u7b56\u3054\u3068\u306e\u5c0e\u5165\u7387\uff08WAF\u306f\u3001XSS\u5bfe\u7b56\u306b\u9650\u3089\u306a\u3044\u4f01\u696d\u5168\u4f53\u306e\u5c0e\u5165\u7387\u306e\u307f\u5206\u304b\u308b\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8106\u5f31\u6027\u306e\u60aa\u7528\u5168\u822c\u306e\u8105\u5a01\u3068\u3057\u3066\u306e\u8a55\u4fa1\uff0810\u5927\u8105\u5a012026\u306e\u7d44\u7e54\u5411\u3051\u30674\u4f4d\u30016\u5e74\u9023\u7d9a\uff09<\/td>\n<td>\u4f01\u696d\u898f\u6a21\u5225\u30fb\u696d\u7a2e\u5225\u306eXSS\u306e\u72b6\u6cc1<\/td>\n<\/tr>\n<tr>\n<td>\u2015<\/td>\n<td>XSS\u306e\u4fee\u6b63\u306b\u304b\u304b\u3063\u305f\u65e5\u6570\u306e\u4ee3\u8868\u5024\uff08\u7a2e\u985e\u5225\u306e\u65e5\u6570\u306e\u5206\u5e03\u306f\u30b0\u30e9\u30d5\u3067\u306e\u307f\u793a\u3055\u308c\u3066\u3044\u308b\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300dPDF\u7248<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/10threats\/omgdg50000008fi8-att\/kaisetsu_2026_soshiki.pdf\">IPA\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\u7d44\u7e54\u7de8 \u89e3\u8aac\u66f8<\/a>\u3092\u3082\u3068\u306b\u4f5c\u6210<\/p>\n<p>10\u5927\u8105\u5a01\u306e\u9806\u4f4d\u306f\u3001\u5148\u307b\u3069\u8aac\u660e\u3057\u305f\u3068\u304a\u308a\u8106\u5f31\u6027\u306e\u60aa\u7528\u5168\u822c\u306b\u3064\u3044\u3066\u306e\u3082\u306e\u3067\u3001XSS\u3092\u5206\u3051\u3066\u6271\u3063\u3066\u306f\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u6574\u7406\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001\u300c\u5c4a\u51fa\u4ef6\u6570\u304c\u6700\u3082\u591a\u3044\u300d\u3053\u3068\u3068\u300c\u88ab\u5bb3\u304c\u6700\u3082\u5927\u304d\u3044\u300d\u3053\u3068\u306f\u5225\u306e\u8a71\u3060\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002XSS\u306f\u898b\u3064\u304b\u3063\u3066\u5c4a\u3051\u51fa\u3089\u308c\u308b\u4ef6\u6570\u306f\u6700\u3082\u591a\u3044\u3082\u306e\u306e\u3001\u5b9f\u969b\u306e\u88ab\u5bb3\u306e\u898f\u6a21\u306f\u516c\u7684\u7d71\u8a08\u304b\u3089\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u6b21\u306e\u7ae0\u3067\u306f\u3001\u5bfe\u7b56\u3092\u7d71\u8a08\u3067\u306f\u306a\u304f\u3001\u6280\u8853\u7684\u306a\u7406\u7531\u306b\u3082\u3068\u3065\u3044\u3066\u7d44\u307f\u7acb\u3066\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300dPDF\u7248<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/10threats\/omgdg50000008fi8-att\/kaisetsu_2026_soshiki.pdf\">IPA\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\u7d44\u7e54\u7de8 \u89e3\u8aac\u66f8<\/a><\/p>\n<h2>XSS\u5bfe\u7b56\u306e\u57fa\u672c\u306f\u51fa\u529b\u6642\u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u3067\u3001CSP\u3084WAF\u306f\u88ab\u5bb3\u3092\u6291\u3048\u308b\u88dc\u52a9\u7b56\u3068\u3057\u3066\u91cd\u306d\u308b<\/h2>\n<p>XSS\u306e\u5bfe\u7b56\u306f\u3001\u300c\u6839\u672c\u5bfe\u7b56\u300d\u3068\u300c\u88ab\u5bb3\u3092\u6291\u3048\u308b\u88dc\u52a9\u7b56\u300d\u306b\u5206\u3051\u3066\u8003\u3048\u308b\u3068\u6574\u7406\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<mark>\u6839\u672c\u5bfe\u7b56\u306e\u4e2d\u5fc3\u306f\u3001\u753b\u9762\u306b\u51fa\u529b\u3059\u308b\u5024\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3059\u308b\u4f5c\u308a\u306b\u3059\u308b\u3053\u3068<\/mark>\u3067\u3059\u3002CSP\u3084WAF\u306f\u3001\u305d\u308c\u3092\u88dc\u3046\u4f4d\u7f6e\u3065\u3051\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5bfe\u7b56<\/th>\n<th>\u5f79\u5272<\/th>\n<th>\u8ab0\u304c\u62c5\u3046\u304b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u51fa\u529b\u6642\u306e\u30a8\u30b9\u30b1\u30fc\u30d7<\/td>\n<td>\u6839\u672c\u5bfe\u7b56\u3002\u7d1b\u308c\u8fbc\u3093\u3060\u5024\u3092\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u3057\u3066\u52d5\u304b\u3055\u306a\u3044<\/td>\n<td>\u958b\u767a\u4f1a\u793e\uff08\u60c5\u30b7\u30b9\u306f\u4ed5\u69d8\u66f8\u3068\u53d7\u5165\u308c\u3067\u78ba\u8a8d\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5165\u529b\u5024\u306e\u691c\u8a3c<\/td>\n<td>\u88dc\u52a9\u7b56\u3002\u60f3\u5b9a\u5916\u306e\u5024\u3092\u53d7\u3051\u4ed8\u3051\u306a\u3044<\/td>\n<td>\u958b\u767a\u4f1a\u793e<\/td>\n<\/tr>\n<tr>\n<td>CSP<\/td>\n<td>\u88dc\u52a9\u7b56\u3002\u5b9f\u884c\u3057\u3066\u3088\u3044\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u5143\u3092\u5236\u9650\u3059\u308b<\/td>\n<td>\u958b\u767a\u4f1a\u793e\u30fb\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u8005<\/td>\n<\/tr>\n<tr>\n<td>Cookie\u306e HttpOnly \u5c5e\u6027<\/td>\n<td>\u88dc\u52a9\u7b56\u3002\u30b9\u30af\u30ea\u30d7\u30c8\u304b\u3089Cookie\u3092\u8aad\u3081\u306a\u3044\u3088\u3046\u306b\u3059\u308b<\/td>\n<td>\u958b\u767a\u4f1a\u793e\u30fb\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u8005<\/td>\n<\/tr>\n<tr>\n<td>WAF<\/td>\n<td>\u88dc\u52a9\u7b56\u3002\u653b\u6483\u306b\u5178\u578b\u7684\u306a\u901a\u4fe1\u3092\u906e\u65ad\u3059\u308b<\/td>\n<td>\u60c5\u30b7\u30b9\u30fb\u30a4\u30f3\u30d5\u30e9\u306e\u7ba1\u7406\u8005<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"border:2px solid #2d4f8f;border-radius:8px;background:#f2f5fb;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#2d4f8f\">\u30dd\u30a4\u30f3\u30c8<\/p>\n<p style=\"margin:0 0 6px\"><strong>\u6839\u672c\u5bfe\u7b56:<\/strong> \u51fa\u529b\u6642\u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u3092\u4e2d\u5fc3\u306b\u3001XSS\u305d\u306e\u3082\u306e\u304c\u8d77\u304d\u306a\u3044\u4f5c\u308a\u306b\u3057\u307e\u3059\u3002<\/p>\n<p style=\"margin:0\"><strong>\u88dc\u52a9\u7b56:<\/strong> 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style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001074768.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u306e\u7d50\u679c\uff08\u6982\u8981\uff09\u5225\u7d192\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/johotsusintokei\/statistics\/pdf\/HR202500_002.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u5831\u544a\u66f8\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/vuln\/websecurity\/about.html\">IPA\u300c\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u4f5c\u308a\u65b9\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/cheatsheetseries.owasp.org\/cheatsheets\/Cross_Site_Scripting_Prevention_Cheat_Sheet.html\">OWASP\u300cCross Site Scripting Prevention Cheat Sheet\u300d<\/a><\/p>\n<h2>\u60c5\u30b7\u30b9\u306f\u767a\u6ce8\u6642\u306e\u4ed5\u69d8\u66f8\u3068\u53d7\u5165\u308c\u78ba\u8a8d\u3001\u516c\u958b\u5f8c\u306e\u5b9a\u671f\u70b9\u691c\u3067XSS\u5bfe\u7b56\u3092\u78ba\u304b\u3081\u308b<\/h2>\n<p>\u81ea\u793e\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u304b\u306a\u3044\u60c5\u30b7\u30b9\u3067\u3082\u3001XSS\u5bfe\u7b56\u306e\u305f\u3081\u306b\u3067\u304d\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u3002<strong>\u767a\u6ce8\u6642\u306e\u4ed5\u69d8\u66f8\u3001\u7d0d\u54c1\u524d\u306e\u53d7\u5165\u308c\u78ba\u8a8d\u3001\u516c\u958b\u5f8c\u306e\u70b9\u691c\u306e3\u3064\u306e\u5834\u9762\u3067\u3001\u5bfe\u7b56\u304c\u5165\u3063\u3066\u3044\u308b\u304b\u3092\u78ba\u304b\u3081\u308b<\/strong>\u3053\u3068\u3067\u3059\u3002\u307e\u305a\u306f\u3001\u767a\u6ce8\u6642\u306b\u78ba\u8a8d\u3057\u305f\u3044\u9805\u76ee\u3092\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n<div style=\"border:2px solid #2d4f8f;border-radius:8px;background:#f2f5fb;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#2d4f8f\">\u767a\u6ce8\u6642\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/p>\n<ul style=\"margin:0;padding-left:20px\">\n<li>\u753b\u9762\u306b\u51fa\u529b\u3059\u308b\u5024\u3092\u3059\u3079\u3066\u30a8\u30b9\u30b1\u30fc\u30d7\u3059\u308b\u3053\u3068\u3092\u3001\u4ed5\u69d8\u66f8\u306b\u660e\u8a18\u3057\u305f\u304b<\/li>\n<li>\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u81ea\u52d5\u30a8\u30b9\u30b1\u30fc\u30d7\u6a5f\u80fd\u3092\u7121\u52b9\u306b\u3057\u3066\u3044\u306a\u3044\u304b\u3001\u78ba\u8a8d\u3092\u4f9d\u983c\u3057\u305f\u304b<\/li>\n<li>\u753b\u9762\u5074\u306eJavaScript\u3067\u5024\u3092\u66f8\u304d\u8fbc\u3080\u51e6\u7406\u3082\u3001\u78ba\u8a8d\u306e\u5bfe\u8c61\u306b\u542b\u3081\u305f\u304b<\/li>\n<li>CSP\u306e\u8a2d\u5b9a\u3068Cookie\u306eHttpOnly\u5c5e\u6027\u3092\u3001\u8981\u4ef6\u306b\u5165\u308c\u305f\u304b<\/li>\n<li>\u30ea\u30ea\u30fc\u30b9\u524d\u306e\u8106\u5f31\u6027\u8a3a\u65ad\u3068\u3001\u305d\u306e\u7d50\u679c\u306e\u5831\u544a\u3092\u5951\u7d04\u306b\u542b\u3081\u305f\u304b<\/li>\n<\/ul>\n<\/div>\n<h3>\u4ed5\u69d8\u66f8\u306b\u306f\u51fa\u529b\u6642\u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u3001CSP\u306e\u8a2d\u5b9a\u3001\u30ea\u30ea\u30fc\u30b9\u524d\u306e\u8106\u5f31\u6027\u8a3a\u65ad\u306e3\u70b9\u3092\u660e\u8a18\u3059\u308b<\/h3>\n<p>\u540c\u3058\u304f\u3089\u3044\u306e\u898f\u6a21\u306e\u4f01\u696d\u304c\u3001XSS\u5bfe\u7b56\u3092\u3069\u3053\u307e\u3067\u5b9f\u65bd\u3057\u3066\u3044\u308b\u304b\u3092\u793a\u3059\u516c\u7684\u7d71\u8a08\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u81ea\u793e\u306e\u8981\u4ef6\u306f\u300c\u4ed6\u793e\u4e26\u307f\u300d\u3092\u57fa\u6e96\u306b\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u78ba\u8a8d\u9805\u76ee\u3092\u7a4d\u307f\u4e0a\u3052\u3066\u6c7a\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<strong>\u4ed5\u69d8\u66f8\u306b\u306f\u3001\u51fa\u529b\u6642\u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u3001CSP\u306e\u8a2d\u5b9a\u3001\u30ea\u30ea\u30fc\u30b9\u524d\u306e\u8106\u5f31\u6027\u8a3a\u65ad\u306e3\u70b9\u3092\u660e\u8a18\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/strong><\/p>\n<p>1\u70b9\u76ee\u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u306f\u3001\u300c\u753b\u9762\u306b\u51fa\u529b\u3059\u308b\u5024\u306f\u3001\u51fa\u529b\u3059\u308b\u5834\u6240\u306b\u5fdc\u3058\u3066\u3059\u3079\u3066\u30a8\u30b9\u30b1\u30fc\u30d7\u3059\u308b\u3053\u3068\u300d\u3068\u4f9d\u983c\u3057\u307e\u3059\u3002\u7ba1\u7406\u753b\u9762\u3084\u793e\u5185\u5411\u3051\u306e\u753b\u9762\u3082\u5bfe\u8c61\u306b\u542b\u3081\u308b\u3053\u3068\u3092\u3001\u3042\u308f\u305b\u3066\u66f8\u3044\u3066\u304a\u304f\u3068\u5b89\u5fc3\u3067\u3059\u3002<\/p>\n<p>2\u70b9\u76ee\u306eCSP\u306f\u3001\u300cCSP\u3092\u8a2d\u5b9a\u3057\u3001\u8a2d\u5b9a\u5185\u5bb9\u3092\u7d0d\u54c1\u7269\u306b\u542b\u3081\u308b\u3053\u3068\u300d\u3068\u66f8\u304d\u307e\u3059\u30023\u70b9\u76ee\u306f\u3001\u300c\u30ea\u30ea\u30fc\u30b9\u524d\u306b\u8106\u5f31\u6027\u8a3a\u65ad\u3092\u884c\u3044\u3001XSS\u3092\u542b\u3080\u7d50\u679c\u3068\u5bfe\u5fdc\u72b6\u6cc1\u3092\u5831\u544a\u3059\u308b\u3053\u3068\u300d\u3068\u4f9d\u983c\u3057\u307e\u3059\u3002\u53e3\u982d\u3067\u4f1d\u3048\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u6587\u66f8\u306b\u6b8b\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<h3>\u53d7\u5165\u308c\u6642\u306f\u3001\u5165\u529b\u5024\u304c\u305d\u306e\u307e\u307e\u8868\u793a\u3055\u308c\u308b\u753b\u9762\u3068\u3001\u554f\u3044\u5408\u308f\u305b\u5185\u5bb9\u3092\u958b\u304f\u7ba1\u7406\u753b\u9762\u3092\u91cd\u70b9\u7684\u306b\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>\u53d7\u5165\u308c\u78ba\u8a8d\u3084\u8106\u5f31\u6027\u8a3a\u65ad\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u753b\u9762\u3092\u540c\u3058\u91cd\u3055\u3067\u898b\u308b\u306e\u306f\u5927\u5909\u3067\u3059\u3088\u306d\u3002<strong>XSS\u304c\u8d77\u304d\u3084\u3059\u3044\u753b\u9762\u3092\u3001\u8a3a\u65ad\u306e\u5bfe\u8c61\u306b\u5fc5\u305a\u542b\u3081\u308b<\/strong>\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u307e\u305a\u62bc\u3055\u3048\u305f\u3044\u306e\u306f\u3001\u683c\u7d0d\u578b\u304c\u8d77\u304d\u3084\u3059\u3044\u753b\u9762\u3067\u3059\u3002\u554f\u3044\u5408\u308f\u305b\u5185\u5bb9\u3092\u958b\u304f\u7ba1\u7406\u753b\u9762\u3001\u30b3\u30e1\u30f3\u30c8\u3084\u30ec\u30d3\u30e5\u30fc\u3092\u8868\u793a\u3059\u308b\u753b\u9762\u3001\u793e\u5185\u5411\u3051\u306e\u4e00\u89a7\u753b\u9762\u306a\u3069\u304c\u5f53\u3066\u306f\u307e\u308a\u307e\u3059\u3002\u5916\u90e8\u306e\u4eba\u304c\u5165\u529b\u3057\u305f\u5185\u5bb9\u304c\u3001\u4fdd\u5b58\u3055\u308c\u305f\u3042\u3068\u306b\u8868\u793a\u3055\u308c\u308b\u753b\u9762\u3060\u3068\u8003\u3048\u308b\u3068\u5206\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001\u53cd\u5c04\u578b\u304c\u8d77\u304d\u3084\u3059\u3044\u753b\u9762\u3067\u3059\u3002\u691c\u7d22\u7d50\u679c\u306e\u30da\u30fc\u30b8\u3084\u3001\u5165\u529b\u3057\u305f\u5024\u3092\u305d\u306e\u307e\u307e\u8fd4\u3059\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u753b\u9762\u304c\u8a72\u5f53\u3057\u307e\u3059\u3002<\/p>\n<p>\u8a3a\u65ad\u4f1a\u793e\u306b\u4f9d\u983c\u3059\u308b\u3068\u304d\u306f\u3001\u3053\u3046\u3057\u305f\u753b\u9762\u304c\u5bfe\u8c61\u7bc4\u56f2\u306b\u5165\u3063\u3066\u3044\u308b\u304b\u3092\u898b\u7a4d\u3082\u308a\u306e\u6bb5\u968e\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8a3a\u65ad\u306e\u624b\u9806\u305d\u306e\u3082\u306e\u306f\u3001\u5c02\u9580\u306e\u8a3a\u65ad\u4f1a\u793e\u306b\u4efb\u305b\u3066\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u516c\u958b\u5f8c\u306fCMS\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u66f4\u65b0\u3057\u3001\u5916\u90e8\u306b\u516c\u958b\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8\u3092\u4e00\u89a7\u3067\u628a\u63e1\u3057\u3066\u304a\u304f<\/h3>\n<p>XSS\u306f\u3001\u81ea\u793e\u3067\u4f5c\u3063\u305f\u90e8\u5206\u3060\u3051\u3067\u306a\u304f\u3001CMS\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u8106\u5f31\u6027\u3068\u3057\u3066\u3082\u898b\u3064\u304b\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001<strong>\u516c\u958b\u5f8c\u3082CMS\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u66f4\u65b0\u3057\u7d9a\u3051\u308b\u3053\u3068\u304c\u6b20\u304b\u305b\u307e\u305b\u3093\u3002<\/strong> \u66f4\u65b0\u4f5c\u696d\u3092\u4fdd\u5b88\u5951\u7d04\u306e\u7bc4\u56f2\u306b\u542b\u3081\u3066\u304a\u304f\u3068\u3001\u5bfe\u5fdc\u304c\u6f0f\u308c\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3082\u3046\u4e00\u3064\u5927\u5207\u306a\u306e\u304c\u3001\u5916\u90e8\u306b\u516c\u958b\u3057\u3066\u3044\u308bIT\u8cc7\u7523\u306e\u628a\u63e1\u3067\u3059\u3002\u904e\u53bb\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u30b5\u30a4\u30c8\u3084\u3001\u4f7f\u308f\u308c\u306a\u304f\u306a\u3063\u305f\u53e4\u3044\u30d5\u30a9\u30fc\u30e0\u304c\u6b8b\u3063\u3066\u3044\u306a\u3044\u304b\u3092\u5b9a\u671f\u7684\u306b\u68da\u5378\u3057\u3057\u307e\u3057\u3087\u3046\u3002\u62c5\u5f53\u8005\u304c\u628a\u63e1\u3057\u3066\u3044\u306a\u3044\u30b5\u30a4\u30c8\u306f\u3001\u66f4\u65b0\u3082\u8a3a\u65ad\u3082\u3055\u308c\u306a\u3044\u307e\u307e\u653e\u7f6e\u3055\u308c\u304c\u3061\u3067\u3059\u3002<\/p>\n<p>\u5916\u90e8\u304b\u3089\u8106\u5f31\u6027\u306e\u9023\u7d61\u3092\u53d7\u3051\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002IPA\u306e\u5c4a\u51fa\u5236\u5ea6\u3067\u306f\u3001IPA\u304c\u5c4a\u51fa\u306e\u5185\u5bb9\u3092\u78ba\u8a8d\u3057\u305f\u3046\u3048\u3067\u30b5\u30a4\u30c8\u306e\u904b\u55b6\u8005\u306b\u9023\u7d61\u3057\u3001\u4fee\u6b63\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u3092\u904b\u55b6\u8005\u304b\u3089\u306e\u5831\u544a\u306a\u3069\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>XSS\u3067\u306f\u30012026\u5e746\u6708\u672b\u6642\u70b9\u306e\u7d2f\u8a08\u30675,691\u4ef6\u306e\u4fee\u6b63\u304c\u5b8c\u4e86\u3057\u3066\u3044\u307e\u3059\u3002\u9023\u7d61\u3092\u53d7\u3051\u305f\u3089\u653e\u7f6e\u305b\u305a\u3001\u958b\u767a\u4f1a\u793e\u3068\u76f8\u8ac7\u3057\u3066\u5bfe\u5fdc\u3092\u9032\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300dPDF\u7248<\/a><\/p>\n<h2>\u307e\u3068\u3081: XSS\u306f\u5c4a\u51fa\u4ef6\u6570\u304c\u6700\u3082\u591a\u3044\u8106\u5f31\u6027\u3067\u3001\u5bfe\u7b56\u306f\u958b\u767a\u6642\u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u3068\u767a\u6ce8\u5074\u306e\u78ba\u8a8d\u3067\u62c5\u4fdd\u3059\u308b<\/h2>\n<p>XSS\u306f\u3001Web\u30da\u30fc\u30b8\u306b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u7d1b\u308c\u8fbc\u307e\u305b\u3066\u3001\u95b2\u89a7\u8005\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u5b9f\u884c\u3055\u305b\u308b\u653b\u6483\u3067\u3059\u3002<strong>IPA\u306e\u5c4a\u51fa\u7d71\u8a08\u3067\u306f\u7a2e\u985e\u5225\u3067\u6700\u3082\u591a\u3044\u8106\u5f31\u6027\u3067\u3059\u304c\u3001\u305d\u306e\u6570\u5024\u306f\u7d2f\u8a08\u3067\u898b\u305f\u5834\u5408\u306e\u8a71\u3067\u3059\u3002<\/strong> \u3053\u306e\u8a18\u4e8b\u306e\u8981\u70b9\u3092\u632f\u308a\u8fd4\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>XSS\u306f\u3001\u5165\u529b\u3055\u308c\u305f\u5024\u304c\u7121\u5bb3\u5316\u3055\u308c\u305a\u306b\u753b\u9762\u306b\u51fa\u529b\u3055\u308c\u308b\u3053\u3068\u3067\u8d77\u304d\u3001\u53cd\u5c04\u578b\u30fb\u683c\u7d0d\u578b\u30fbDOM\u578b\u306e3\u7a2e\u985e\u304c\u3042\u308b<\/li>\n<li>IPA\u306e\u5c4a\u51fa\u7d71\u8a08\u3067\u306f\u30012026\u5e746\u6708\u672b\u6642\u70b9\u3067\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u8106\u5f31\u6027\u306e\u7d2f\u8a08\u306e56%\u3092\u5360\u3081\u308b\u3002\u305f\u3060\u30572026\u5e744\u301c6\u6708\u306e\u65b0\u898f\u5c4a\u51fa65\u4ef6\u306e\u3046\u3061XSS\u306f8\u4ef6\u3067\u3001\u7d0412%\u3060\u3063\u305f<\/li>\n<li>\u6839\u672c\u5bfe\u7b56\u306f\u51fa\u529b\u6642\u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u3067\u3001CSP\u3001HttpOnly\u5c5e\u6027\u3001WAF\u306f\u88ab\u5bb3\u3092\u6291\u3048\u308b\u88dc\u52a9\u7b56\u3068\u3057\u3066\u91cd\u306d\u308b<\/li>\n<li>\u60c5\u30b7\u30b9\u306f\u3001\u4ed5\u69d8\u66f8\u3078\u306e\u660e\u8a18\u3001\u53d7\u5165\u308c\u6642\u306e\u91cd\u70b9\u78ba\u8a8d\u3001\u516c\u958b\u5f8c\u306e\u66f4\u65b0\u3068\u8cc7\u7523\u306e\u68da\u5378\u3057\u3067\u5bfe\u7b56\u3092\u78ba\u304b\u3081\u308b<\/li>\n<\/ul>\n<p>XSS\u306f\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3068\u4e26\u3076Web\u653b\u6483\u306e\u4e8c\u5927\u624b\u53e3\u3067\u3059\u3002\u653b\u6483\u3055\u308c\u308b\u5834\u6240\u306f\u9055\u3044\u307e\u3059\u304c\u3001\u3069\u3061\u3089\u3082\u958b\u767a\u6642\u306e\u4f5c\u308a\u3067\u9632\u3050\u306e\u304c\u57fa\u672c\u3068\u3044\u3046\u70b9\u306f\u5171\u901a\u3057\u3066\u3044\u307e\u3059\u3002\u81ea\u793e\u306eWeb\u30b5\u30a4\u30c8\u3084\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u306b\u3064\u3044\u3066\u3001\u307e\u305a\u306f\u958b\u767a\u4f1a\u793e\u306b\u5bfe\u7b56\u306e\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3053\u308d\u304b\u3089\u59cb\u3081\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300dPDF\u7248<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2026q2.html\">IPA\u300c\u540c\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff3d\u300d<\/a><\/p>\n<h2>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u57fa\u790e\u3092\u5b66\u3076\u306a\u3089\u300c\u60c5\u30b7\u30b9\u30ab\u30ec\u30c3\u30b8\u300d<\/h2>\n<p style=\"text-align:center;margin:1.5em 0\"><a href=\"https:\/\/www.josys-college.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/08\/cta-josys-college.jpg\" alt=\"\u60c5\u30b7\u30b9\u30ab\u30ec\u30c3\u30b8\" style=\"max-width:100%;height:auto\" \/><\/a><\/p>\n<p>XSS\u306e\u3088\u3046\u306a\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u958b\u767a\u4f1a\u793e\u3068\u8a71\u3059\u306b\u306f\u3001Web\u306e\u4ed5\u7d44\u307f\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u57fa\u790e\u7528\u8a9e\u306e\u7406\u89e3\u304c\u6b20\u304b\u305b\u307e\u305b\u3093\u3002\u3068\u306f\u3044\u3048\u3001\u65b0\u4efb\u3084\u3072\u3068\u308a\u60c5\u30b7\u30b9\u306e\u65b9\u307b\u3069\u3001\u307e\u3068\u307e\u3063\u305f\u5b66\u7fd2\u306e\u6642\u9593\u306f\u53d6\u308a\u306b\u304f\u3044\u3067\u3059\u3088\u306d\u3002<\/p>\n<p>\u300c\u60c5\u30b7\u30b9\u30ab\u30ec\u30c3\u30b8\u300d\u306f\u3001\u65b0\u4eba\u30fb\u3072\u3068\u308a\u60c5\u30b7\u30b9\u306e\u305f\u3081\u306e\u30de\u30a4\u30af\u30ed\u30e9\u30fc\u30cb\u30f3\u30b0LMS\u3067\u3059\u3002\u6570\u5206\u306e\u52d5\u753b\u3068\u5c0f\u30c6\u30b9\u30c8\u3067\u3001\u696d\u52d9\u306e\u5408\u9593\u306b\u5c11\u3057\u305a\u3064\u5b66\u3079\u307e\u3059\u3002<\/p>\n<div style=\"border:2px solid #2d4f8f;border-radius:8px;background:#f2f5fb;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#2d4f8f\">\u60c5\u30b7\u30b9\u30ab\u30ec\u30c3\u30b8\u306e\u7279\u5fb4<\/p>\n<ul style=\"margin:0;padding-left:20px\">\n<li>\u6570\u5206\u306e\u52d5\u753b\u3068\u5c0f\u30c6\u30b9\u30c8\u3067\u9032\u3081\u308b\u30de\u30a4\u30af\u30ed\u30e9\u30fc\u30cb\u30f3\u30b0\u5f62\u5f0f<\/li>\n<li>\u5fc5\u4fee\u306e\u5272\u308a\u5f53\u3066\u30fb\u671f\u9650\u8a2d\u5b9a\u30fb\u9032\u6357\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3067\u53d7\u8b1b\u72b6\u6cc1\u3092\u7ba1\u7406\u3067\u304d\u308b<\/li>\n<li>\u81ea\u793e\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u306e\u7de8\u6210\u3068\u3001CSV\u3067\u306e\u6559\u80b2\u8a18\u9332\u306e\u51fa\u529b\u306b\u5bfe\u5fdc<\/li>\n<\/ul>\n<\/div>\n<p>\u5c0e\u5165\u306f5\u540d\u304b\u3089\u53ef\u80fd\u3067\u3001\u8acb\u6c42\u66f8\u6255\u3044\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u521d\u671f\u8a2d\u5b9a\u306f\u304a\u3088\u305d10\u5206\u3067\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n<p style=\"text-align:center;margin:1.8em 0\"><a href=\"https:\/\/www.josys-college.com\/\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline-block;background:#2d4f8f;color:#fff;font-weight:700;padding:14px 36px;border-radius:6px;text-decoration:none\">\u60c5\u30b7\u30b9\u30ab\u30ec\u30c3\u30b8\u306e\u8a73\u7d30\u3092\u898b\u308b<\/a><\/p>\n<p>\u203b\u51fa\u5178<\/p>\n<ul>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">\u60c5\u5831\u51e6\u7406\u63a8\u9032\u6a5f\u69cb\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300dPDF\u7248<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/omgdg50000007gdr-att\/vuln_software_report_2025q4.pdf\">\u60c5\u5831\u51e6\u7406\u63a8\u9032\u6a5f\u69cb\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2025\u5e74\u7b2c4\u56db\u534a\u671f\uff0810\u6708\u301c12\u6708\uff09\uff3d\u300dPDF\u7248<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2026q2.html\">\u60c5\u5831\u51e6\u7406\u63a8\u9032\u6a5f\u69cb\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300d<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2025q4.html\">\u60c5\u5831\u51e6\u7406\u63a8\u9032\u6a5f\u69cb\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2025\u5e74\u7b2c4\u56db\u534a\u671f\uff0810\u6708\u301c12\u6708\uff09\uff3d\u300d<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2024q4.html\">\u60c5\u5831\u51e6\u7406\u63a8\u9032\u6a5f\u69cb\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2024\u5e74\u7b2c4\u56db\u534a\u671f\uff0810\u6708\u301c12\u6708\uff09\uff3d\u300d<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2023q4.html\">\u60c5\u5831\u51e6\u7406\u63a8\u9032\u6a5f\u69cb\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2023\u5e74\u7b2c4\u56db\u534a\u671f\uff0810\u6708\u301c12\u6708\uff09\uff3d\u300d<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/10threats\/omgdg50000008fi8-att\/kaisetsu_2026_soshiki.pdf\">\u60c5\u5831\u51e6\u7406\u63a8\u9032\u6a5f\u69cb\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\u7d44\u7e54\u7de8 \u89e3\u8aac\u66f8<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001074768.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u306e\u7d50\u679c\uff08\u6982\u8981\uff09\u5225\u7d192\u300d<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/johotsusintokei\/statistics\/pdf\/HR202500_002.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u5831\u544a\u66f8\u300d<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/vuln\/websecurity\/about.html\">\u60c5\u5831\u51e6\u7406\u63a8\u9032\u6a5f\u69cb\u300c\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u4f5c\u308a\u65b9\u300d<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/owasp.org\/www-community\/Types_of_Cross-Site_Scripting\">OWASP\u300cTypes of XSS\u300d<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/cheatsheetseries.owasp.org\/cheatsheets\/Cross_Site_Scripting_Prevention_Cheat_Sheet.html\">OWASP\u300cCross Site Scripting Prevention Cheat Sheet\u300d<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/cheatsheetseries.owasp.org\/cheatsheets\/DOM_based_XSS_Prevention_Cheat_Sheet.html\">OWASP\u300cDOM based XSS Prevention Cheat Sheet\u300d<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\uff08XSS\uff09\u306e\u4ed5\u7d44\u307f\u3068\u3001\u53cd\u5c04\u578b\u30fb\u683c\u7d0d\u578b\u30fbDOM\u578b\u306e\u9055\u3044\u3092\u60c5\u30b7\u30b9\u5411\u3051\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002IPA\u306e\u5c4a\u51fa\u7d71\u8a08\u3067\u306f\u30012026\u5e746\u6708\u672b\u6642\u70b9\u3067\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u8106\u5f31\u6027\u306e\u7d2f\u8a0856%\u3092\u5360\u3081\u3066\u6700\u591a\u3067\u3059\u3002\u5bfe\u7b56\u3068\u3001\u767a\u6ce8\u6642\u30fb\u904b\u7528\u6642\u306e\u30c1\u30a7\u30c3\u30af\u89b3\u70b9\u3082\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":11095,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[15,41],"tags":[],"class_list":["post-11092","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-security","category-glossary"],"jetpack_featured_media_url":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/10\/eyecatch-cross-site-scripting-toha-v4.png","_links":{"self":[{"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/posts\/11092","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/comments?post=11092"}],"version-history":[{"count":1,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/posts\/11092\/revisions"}],"predecessor-version":[{"id":11094,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/posts\/11092\/revisions\/11094"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/media\/11095"}],"wp:attachment":[{"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/media?parent=11092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/categories?post=11092"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/venu-sys.co.jp\/jo-sys\/wp-json\/wp\/v2\/tags?post=11092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}