{"id":1923,"date":"2026-09-25T09:49:53","date_gmt":"2026-09-25T00:49:53","guid":{"rendered":"https:\/\/ownmono.com\/blog\/?p=1923"},"modified":"2026-09-25T09:49:54","modified_gmt":"2026-09-25T00:49:54","slug":"wordpress-cve-2026-87902","status":"publish","type":"post","link":"https:\/\/ownmono.com\/blog\/wordpress\/wordpress-cve-2026-87902\/","title":{"rendered":"WordPress\u306e\u8106\u5f31\u6027CVE-2026-87902\u306b\u6ce8\u610f\uff5c\u4fee\u6b63\u7248\u3078\u306e\u66f4\u65b0\u3068\u78ba\u8a8d\u65b9\u6cd5"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">WordPress\u672c\u4f53\u306b\u3001\u91cd\u5927\u306a\u8106\u5f31\u6027\u300cCVE-2026-87902\u300d\u304c\u516c\u8868\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8106\u5f31\u6027\u306f\u3001\u6761\u4ef6\u304c\u305d\u308d\u3046\u3068\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u306a\u3044\u7b2c\u4e09\u8005\u304b\u3089\u653b\u6483\u3055\u308c\u3001Web\u30b5\u30a4\u30c8\u306e\u4e57\u3063\u53d6\u308a\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u516c\u5f0f\u3067\u306f\u3001\u4fee\u6b63\u7248\u3068\u3057\u30667.1.2\u306a\u3069\u3092\u516c\u958b\u3057\u3001\u5bfe\u8c61\u30b5\u30a4\u30c8\u3078\u901f\u3084\u304b\u306b\u66f4\u65b0\u3059\u308b\u3088\u3046\u6848\u5185\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external\" data-type=\"type1\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">Documentation<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/s.w.org\/images\/home\/wordpress-default-ogimage.png\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/wordpress.org\/documentation\/wordpress-version\/version-7-1-2\/\" target=\"_blank\" rel=\"noopener noreferrer\">Version 7.1.2<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">On September 22, 2026, WordPress 7.1.2 was released to the public. Installation\/Update Information To get this version, update automatically from the Dashboard &#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u4eca\u56de\u306e\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u3001\u521d\u5fc3\u8005\u304c\u78ba\u8a8d\u3057\u3066\u304a\u304d\u305f\u3044\u30dd\u30a4\u30f3\u30c8\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">WordPress\u306e\u8106\u5f31\u6027CVE-2026-87902\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CVE-2026-87902\u306f\u3001WordPress\u306e\u30da\u30fc\u30b8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u51e6\u7406\u306b\u95a2\u3059\u308b\u8106\u5f31\u6027\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u5b9a\u306e\u30c6\u30fc\u30de\u3084\u30b5\u30fc\u30d0\u30fc\u74b0\u5883\u306a\u3069\u306e\u6761\u4ef6\u304c\u305d\u308d\u3063\u305f\u5834\u5408\u3001\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u306a\u3044\u7b2c\u4e09\u8005\u304c\u30c6\u30fc\u30de\u5916\u306ePHP\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307e\u305b\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u7d50\u679c\u3001Web\u30b5\u30a4\u30c8\u4e0a\u3067\u4efb\u610f\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3055\u308c\u3001\u30b5\u30a4\u30c8\u306e\u6539\u3056\u3093\u3084\u4e57\u3063\u53d6\u308a\u306b\u3064\u306a\u304c\u308b\u304a\u305d\u308c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001\u5bfe\u8c61\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30b5\u30a4\u30c8\u304c\u540c\u3058\u6761\u4ef6\u3067\u653b\u6483\u3055\u308c\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u5bfe\u8c61\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u66f4\u65b0\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5f71\u97ff\u3092\u53d7\u3051\u308bWordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u56de\u306e\u8106\u5f31\u6027\u306f\u3001WordPress 4.7.x\u7cfb\u301c7.1.x\u7cfb\u304c\u5bfe\u8c61\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f4\u524d\u306b\u516c\u958b\u3055\u308c\u305fWordPress 7.1.1\u3082\u5bfe\u8c61\u306b\u542b\u307e\u308c\u307e\u3059\u3002XServer\u3082\u3001\u5bfe\u8c61\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5404\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u6700\u65b0\u7248\u3078\u66f4\u65b0\u3059\u308b\u3088\u3046\u6848\u5185\u3057\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/wp.xserver.ne.jp\/news\/detail.php?view_id=19514\">XServer\u306e\u6ce8\u610f\u559a\u8d77<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u516c\u5f0f\u3067\u306f\u3001\u4e3b\u306b\u4ee5\u4e0b\u306e\u4fee\u6b63\u7248\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WordPress 7.1\u7cfb\uff1a7.1.2<\/li>\n\n\n\n<li>WordPress 7.0\u7cfb\uff1a7.0.6<\/li>\n\n\n\n<li>WordPress 6.9\u7cfb\uff1a6.9.9<\/li>\n\n\n\n<li>WordPress 6.8\u7cfb\uff1a6.8.10<\/li>\n\n\n\n<li>WordPress 6.7\u7cfb\uff1a6.7.9<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u4ed6\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3082\u4fee\u6b63\u7248\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5229\u7528\u4e2d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u6700\u65b0\u7248\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4eca\u56de\u306e\u8106\u5f31\u6027\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">WordPress\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u7ba1\u7406\u753b\u9762\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3001\u300c\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u300d\u304b\u3089\u300c\u66f4\u65b0\u300d\u3092\u958b\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u753b\u9762\u5185\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308bWordPress\u672c\u4f53\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7.1.1\u4ee5\u524d\u306a\u3069\u3001\u4eca\u56de\u306e\u8106\u5f31\u6027\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u66f4\u65b0\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fee\u6b63\u7248\u3078\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u65b0\u753b\u9762\u306b\u4fee\u6b63\u7248\u3078\u306e\u6848\u5185\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u753b\u9762\u306e\u6307\u793a\u306b\u5f93\u3063\u3066\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p 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