{"id":9011,"date":"2024-09-27T12:42:05","date_gmt":"2024-09-27T03:42:05","guid":{"rendered":"https:\/\/www.prime-strategy.co.jp\/column\/?p=9011"},"modified":"2026-02-17T01:24:45","modified_gmt":"2026-02-16T16:24:45","slug":"litespeed-cache%e3%83%97%e3%83%a9%e3%82%b0%e3%82%a4%e3%83%b3%e3%81%ae%e8%84%86%e5%bc%b1%e6%80%a7%e3%82%92%e8%a7%a3%e8%aa%ac%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/kusanagi.tokyo\/column\/archives\/column_9011","title":{"rendered":"LiteSpeed Cache\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u8106\u5f31\u6027\u3092\u89e3\u8aac\u3059\u308b"},"content":{"rendered":"\n<p>\u30d7\u30e9\u30a4\u30e0\u30fb\u30b9\u30c8\u30e9\u30c6\u30b8\u30fc\u300cKUSANAGI\u300d\u958b\u767a\u30c1\u30fc\u30e0\u306e\u77f3\u5ddd\u3067\u3059\u3002<\/p>\n\n\n\n<p>WordPress\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u306f\u5e74\u3005\u3001\u3044\u304f\u3064\u3082\u306e\u8106\u5f31\u6027\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br>\u305d\u306e\u4e2d\u306b\u306f\u5f71\u97ff\u304c\u5c0f\u3055\u3044\u3082\u306e\u304b\u3089\u5927\u304d\u3044\u3082\u306e\u307e\u3067\u591a\u5c90\u306b\u6e21\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u4e2d\u3067\u3082\u3001 <strong>LiteSpeed Cache\u30d7\u30e9\u30b0\u30a4\u30f3<\/strong> \u3067\u3044\u304f\u3064\u3082\u306e\u8106\u5f31\u6027\u304c\u898b\u4ed8\u304b\u3063\u305f\u3053\u3068\u306f\u591a\u304f\u30cb\u30e5\u30fc\u30b9\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br>LiteSpeed\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3067\u3042\u3063\u3066\u3082\u3001\u305d\u306e\u7dca\u6025\u6027\u304b\u3089\u30a2\u30ca\u30a6\u30f3\u30b9<sup data-fn=\"4b1be91d-19f4-4204-9824-d8a00d0bfe1d\" class=\"fn\"><a href=\"#4b1be91d-19f4-4204-9824-d8a00d0bfe1d\" id=\"4b1be91d-19f4-4204-9824-d8a00d0bfe1d-link\">1<\/a><\/sup><sup data-fn=\"f2ba855d-4859-4790-b01c-e0f4265d9bb4\" class=\"fn\"><a href=\"#f2ba855d-4859-4790-b01c-e0f4265d9bb4\" id=\"f2ba855d-4859-4790-b01c-e0f4265d9bb4-link\">2<\/a><\/sup>\u3092\u5b9f\u65bd\u3057\u305f\u3068\u3053\u308d\u3082\u3042\u3063\u305f\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306fLiteSpeed Cache\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u305d\u306e\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"LiteSpeed_Cache%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%81%A8%E3%81%AF\"><\/span>LiteSpeed Cache\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u306f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/ja.wordpress.org\/plugins\/litespeed-cache\/\">LiteSpeed Cache<\/a>\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u3001WordPress\u306e\u30b5\u30a4\u30c8\u3092\u52a0\u901f\u3055\u305b\u308b\u305f\u3081\u306e\u6a5f\u80fd\u3092\u6301\u3064\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u3059\u3002<br><a href=\"https:\/\/www.litespeedtech.com\/\">LiteSpeed<\/a> \u3068\u3044\u3046Web\u30b5\u30fc\u30d0\u3067\u4f7f\u3046\u5c02\u7528\u6a5f\u80fd\u3060\u3051\u3067\u306a\u304f\u3001Nginx\u3084Apache HTTPD\u3067\u3082\u5229\u7528\u3067\u304d\u308b\u6a5f\u80fd\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>KUSANAGI\u306fLiteSpeed\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u305b\u3093\u304c\u3001LiteSpeed\u3092\u4f7f\u7528\u3067\u304d\u308bWordPress\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306f\u6d77\u5916\u3067\u3082\u4eba\u6c17\u304c\u3042\u308a\u3001LiteSpeed Cache\u30d7\u30e9\u30b0\u30a4\u30f3\u306f<a href=\"https:\/\/www.security-next.com\/161025\">500\u4e07\u4ee5\u4e0a\u306e\u30b5\u30a4\u30c8\u3067\u5c0e\u5165\u3055\u308c\u3066\u3044\u308b<\/a>\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"LiteSpeed_Cache%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%81%A7%E8%A6%8B%E4%BB%98%E3%81%8B%E3%81%A3%E3%81%9F%E8%84%86%E5%BC%B1%E6%80%A7\"><\/span>LiteSpeed Cache\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u898b\u4ed8\u304b\u3063\u305f\u8106\u5f31\u6027<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>LiteSpeed Cache\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u30012024\u5e74\u306f\u5e74\u521d\u304b\u30899\u6708\u73fe\u5728\u307e\u3067\u306e\u9593\u306b<a href=\"https:\/\/wpscan.com\/plugin\/litespeed-cache\/\">6\u4ef6<\/a>\u306e\u8106\u5f31\u6027\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u4e2d\u3067\u3082\u7dca\u6025\u5ea6 (CVSS) \u304c\u9ad8\u3044 (High) 3\u3064\u8106\u5f31\u6027\u306b\u7d5e\u3063\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u65e5\u4ed8<\/th><th>\u540d\u79f0<\/th><th>\u4fee\u6b63<\/th><th>\u91cd\u8981\u5ea6<\/th><th>CVE<\/th><\/tr><\/thead><tbody><tr><td>2024-02-27<\/td><td><a href=\"https:\/\/www.wordfence.com\/threat-intel\/vulnerabilities\/wordpress-plugins\/litespeed-cache\/litespeed-cache-57-reflected-cross-site-scripting-via-nameservers-and-msg\">LiteSpeed Cache &lt; 5.7.0.1 - Unauthenticated Stored XSS<\/a><\/td><td>Fixed in 5.7.0.1<\/td><td>8.8 (high)<\/td><td><a href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2023-40000\/\">CVE-2023-40000<\/a><\/td><\/tr><tr><td>2024-08-21<\/td><td><a href=\"https:\/\/www.wordfence.com\/threat-intel\/vulnerabilities\/wordpress-plugins\/litespeed-cache\/litespeed-cache-6301-unauthenticated-privilege-escalation\">LiteSpeed Cache &lt; 6.4 - Unauthenticated Privilege Escalation<\/a><\/td><td>Fixed in 6.4<\/td><td>8.1 (high)<\/td><td><a href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2024-28000\/\">CVE-2024-28000<\/a><\/td><\/tr><tr><td>2024-09-05<\/td><td><a href=\"https:\/\/www.wordfence.com\/threat-intel\/vulnerabilities\/wordpress-plugins\/litespeed-cache\/litespeed-cache-641-unauthenticated-sensitive-information-exposure-via-log-files\">LiteSpeed Cache &lt; 6.5.0.1 - Unauthenticated Sensitive Information Exposure via Log Files<\/a><\/td><td>Fixed in 6.5.0.1<\/td><td>7.5 (high)<\/td><td><a href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2024-44000\/\">CVE-2024-44000<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"LiteSpeed_Cache_%3C_5701_-_Unauthenticated_Stored_XSS\"><\/span>LiteSpeed Cache &lt; 5.7.0.1 - Unauthenticated Stored XSS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u3053\u306e\u8106\u5f31\u6027\u306f\u3001\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0 (XSS) \u306b\u3088\u308a\u3001\u8a8d\u8a3c\u3055\u308c\u3066\u3044\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u304cWordPress\u306e\u30b5\u30a4\u30c8\u306e\u30da\u30fc\u30b8\u4efb\u610f\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u6ce8\u5165\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u3057\u307e\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u539f\u56e0\u306f\u3001\u5165\u529b\u306e\u30b5\u30cb\u30bf\u30a4\u30ba\u3068\u51fa\u529b\u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u304c\u4e0d\u5341\u5206\u3067\u3042\u3063\u305f\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002<br>\u3053\u306e\u8106\u5f31\u6027\u3067\u306f <code>nameservers<\/code> \u3068 <code>_msg<\/code> \u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u7d4c\u7531\u3057\u3066\u653b\u6483\u304c\u884c\u308f\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u6ce8\u5165\u3055\u308c\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u30e6\u30fc\u30b6\u30fc\u6ce8\u5165\u3055\u308c\u305f\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<br>\u3053\u308c\u3092\u60aa\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u65b0\u305f\u306a\u7ba1\u7406\u8005\u30e6\u30fc\u30b6\u30fc\u3092\u4f5c\u6210\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u6ce8\u5165\u3057\u3001\u7ba1\u7406\u8005\u6a29\u9650\u3092\u6301\u3064\u30e6\u30fc\u30b6\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u65b0\u305f\u306a\u7ba1\u7406\u8005\u30e6\u30fc\u30b6\u30fc\u3092\u4f5c\u6210\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u653b\u6483\u8005\u304c\u81ea\u7531\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u300c\u65b0\u305f\u306a\u7ba1\u7406\u8005\u30e6\u30fc\u30b6\u30fc\u300d\u304c\u4f5c\u6210\u3055\u308c\u3066\u3057\u307e\u3046\u3068\u3001\u4e8b\u5b9f\u4e0a\u305d\u306e\u30b5\u30a4\u30c8\u3092\u81ea\u7531\u306b\u7de8\u96c6\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3088\u3063\u3066\u3001\u3053\u306e\u8106\u5f31\u6027\u306e\u91cd\u8981\u5ea6\u304c\u9ad8\u3044\u306e\u3082\u9837\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"LiteSpeed_Cache_%3C_64_-_Unauthenticated_Privilege_Escalation\"><\/span>LiteSpeed Cache &lt; 6.4 - Unauthenticated Privilege Escalation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u3053\u306e\u8106\u5f31\u6027\u306f\u3001\u30c7\u30d0\u30c3\u30b0\u30ed\u30b0\u3084\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u306b\u3088\u308a\u9069\u5207\u306a\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u898b\u4ed8\u3051\u308b\u3053\u3068\u3067\u8a8d\u8a3c\u3055\u308c\u3066\u3044\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u304c\u7ba1\u7406\u8005\u30e6\u30fc\u30b6\u30fc\u306eID\u3067\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u72b6\u614b\u3092\u5f97\u308b (\u7279\u6a29\u6607\u683c\u3067\u304d\u308b) \u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u539f\u56e0\u306f\u3001LiteSpeed Cache\u304c\u6301\u3064\u30e6\u30fc\u30b6\u30fc\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u306e\u5b9f\u88c5\u304c\u8106\u5f31\u3060\u3063\u305f\u305f\u3081\u3067\u3059\u3002<br>LiteSpeed Cache\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u7279\u6a29\u3067\u52d5\u4f5c\u3057\u305f\u4e0a\u3067\u3001\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u7528\u3044\u3066\u3069\u306e\u30e6\u30fc\u30b6\u30fc\u3067\u5b9f\u969b\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u304b\u3092\u5224\u65ad\u3057\u3066\u3001\u305d\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u6a29\u9650\u306b\u843d\u3068\u3057\u3066\u3044\u307e\u3057\u305f\u3002<br>\u3053\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u304c\u5f31\u304f\u3001\u4e88\u6e2c\u304c\u3057\u3084\u3059\u3044\u3082\u306e\u3067\u3042\u3063\u305f\u3053\u3068\u3067\u3001\u653b\u6483\u304c\u884c\u308f\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u30c7\u30d0\u30c3\u30b0\u30ed\u30b0\u304c\u5916\u90e8\u516c\u958b\u3067\u304d\u308b\u72b6\u614b\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306f\u3042\u307e\u308a\u306a\u3044\u3068\u601d\u308f\u308c\u307e\u3059\u306e\u3067\u3001\u307b\u3068\u3093\u3069\u306e\u653b\u6483\u3067\u306f\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u63a8\u6e2c\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3001\u3068\u3044\u3046\u3053\u3068\u3092\u7dcf\u5f53\u305f\u308a\u3067\u5b9f\u884c\u3059\u308b\u3082\u306e(\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483)\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u653b\u6483\u5148\u306fWordPress\u306e\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b <code>\/wp-admin\/admin-ajax.php<\/code> \u304c\u7528\u3044\u3089\u308c\u307e\u3057\u305f\u3002<br>\u3082\u3057\u3082\u4e00\u81f4\u3059\u308b\u30cf\u30c3\u30b7\u30e5\u304c\u5f97\u3089\u308c\u3066\u3057\u307e\u3046\u3068\u3001WordPress\u306eREST API\u306a\u3069\u3092\u5229\u7528\u3057\u3066\u65b0\u898f\u30e6\u30fc\u30b6\u30fc\u3092\u4f5c\u6210\u3067\u304d\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u65b0\u898f\u306b\u7ba1\u7406\u8005\u30e6\u30fc\u30b6\u30fc\u304c\u4f5c\u3089\u308c\u305f\u5834\u5408\u306e\u5371\u967a\u6027\u306f\u524d\u8ff0\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u7dcf\u5f53\u305f\u308a\u653b\u6483\u3092\u9632\u3050\u3088\u3046\u306a\u8a2d\u5b9a\u304c\u884c\u308f\u308c\u3066\u3044\u308c\u3070\u30ea\u30b9\u30af\u3092\u907f\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001WordPress\u5358\u4f53\u3067\u9632\u3050\u8a2d\u5b9a\u306b\u306a\u3063\u3066\u3044\u308b\u8a33\u3067\u306f\u306a\u3044\u305f\u3081\u3001\u91cd\u8981\u5ea6\u304c\u9ad8\u3044\u8106\u5f31\u6027\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"LiteSpeed_Cache_%3C_6501_-_Unauthenticated_Sensitive_Information_Exposure_via_Log_Files\"><\/span>LiteSpeed Cache &lt; 6.5.0.1 - Unauthenticated Sensitive Information Exposure via Log Files<span 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id=\"f2ba855d-4859-4790-b01c-e0f4265d9bb4\"><a href=\"https:\/\/www.xserver.ne.jp\/news_detail.php?view_id=13326\">\u3010\u91cd\u8981\u3011WordPress\u30d7\u30e9\u30b0\u30a4\u30f3\u300cLiteSpeed Cache(6.3.0.1\u4ee5\u4e0b)\u300d\u306b\u304a\u3051\u308b\u7dca\u6025\u6027\u306e\u9ad8\u3044\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\uff088\/24 AM10:40 \u8ffd\u8a18\uff09<\/a> <a href=\"#f2ba855d-4859-4790-b01c-e0f4265d9bb4-link\" aria-label=\"\u811a\u6ce8\u53c2\u71672\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><\/ol>","protected":false},"excerpt":{"rendered":"<p>\u30d7\u30e9\u30a4\u30e0\u30fb\u30b9\u30c8\u30e9\u30c6\u30b8\u30fc\u300cKUSANAGI\u300d\u958b\u767a\u30c1\u30fc\u30e0\u306e\u77f3\u5ddd\u3067\u3059\u3002 WordPress\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u306f\u5e74\u3005\u3001\u3044\u304f\u3064\u3082\u306e\u8106\u5f31\u6027\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059 ... <a title=\"LiteSpeed 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