{"id":6562,"date":"2024-10-11T10:38:12","date_gmt":"2024-10-11T01:38:12","guid":{"rendered":"https:\/\/taitan916.info\/blog\/?p=6562"},"modified":"2024-07-16T03:04:01","modified_gmt":"2024-07-15T18:04:01","slug":"post-6562","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/6562","title":{"rendered":"PHP\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u306e\u5bfe\u7b56\u3092\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb(Directory Traversal)\u653b\u6483\u5bfe\u7b56\u3092\u3057\u3066\u307b\u3057\u3044\u3068\u8981\u671b\u3092\u53d7\u3051\u305f\u3002\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u3068\u3044\u3046\u30ef\u30fc\u30c9\u81ea\u4f53\u628a\u63e1\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u305d\u306e\u8fba\u308a\u306e\u8a73\u7d30\u3068PHP\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306e\u5bfe\u7b56\u65b9\u6cd5\u3092\u30e1\u30e2\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb(Directory Traversal)\u3068\u306f<\/h2>\n<p>\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6271\u3046\u3088\u3046\u306a\u30b7\u30b9\u30c6\u30e0\u306b\u5bfe\u3057\u300c..\/\u300d\u306e\u3088\u3046\u306a\u7279\u6b8a\u306a\u6587\u5b57\u5217\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u901a\u5e38\u3067\u306f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u30d5\u30a1\u30a4\u30eb\u3084\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u5185\u5bb9\u3092\u53d6\u5f97\u3082\u3057\u304f\u306f\u66f8\u304d\u63db\u3048\u308b\u3068\u3044\u3063\u305f\u653b\u6483\u306e\u3053\u3068\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u5bfe\u7b56\u65b9\u6cd5<\/h2>\n<p><a href=\"https:\/\/www.php.net\/manual\/ja\/function.basename.php\" target=\"_blank\" rel=\"noopener\">basename\u95a2\u6570<\/a>\u3067\u30d5\u30a1\u30a4\u30eb\u540d\u306e\u307f\u53d6\u308a\u51fa\u3059\u3053\u3068\u3067\u5bfe\u7b56\u3067\u304d\u308b\u6a21\u69d8\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">#NG\u30d1\u30bf\u30fc\u30f3\r\n$filename = '.\/upload\/' . $_FILES['test_file']['name'];\r\n\r\n#OK\u30d1\u30bf\u30fc\u30f3\r\n$filename = '.\/upload\/' . basename($_FILES['test_file']['name']);<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u6240\u611f<\/h2>\n<p>\u666e\u6bb5\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u969b\u306f\u300c\u30e9\u30f3\u30c0\u30e0\u82f1\u6570\uff0b\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u300d\u3068\u3044\u3063\u305f\u30d5\u30a1\u30a4\u30eb\u540d\u306b\u30ea\u30cd\u30fc\u30e0\u3057\u3066\u3044\u308b\u306e\u3067\u7279\u306b\u5f71\u97ff\u306f\u306a\u3055\u305d\u3046\u3060\u3051\u3069\u3001\u305d\u306e\u307e\u307e\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u51fa\u3066\u304d\u305f\u5834\u5408\u306f\u4e0a\u8a18\u306e\u5bfe\u7b56\u3092\u53d6\u308b\u3088\u3046\u306b\u3057\u305f\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u53c2\u8003\u30b5\u30a4\u30c8<\/h2>\n<p><a href=\"https:\/\/teratail.com\/questions\/78163\" target=\"_blank\" rel=\"noopener\">https:\/\/teratail.com\/questions\/78163<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb(Directory ... <\/p>\n","protected":false},"author":1,"featured_media":1085,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-6562","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb(Directory Traversal)\u653b\u6483\u5bfe\u7b56\u3092\u3057\u3066\u307b\u3057\u3044\u3068\u8981\u671b\u3092\u53d7\u3051\u305f\u3002\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u3068\u3044\u3046\u30ef\u30fc\u30c9\u81ea\u4f53\u628a\u63e1\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u305d\u306e\u8fba\u308a\u306e\u8a73\u7d30\u3068PHP\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306e\u5bfe\u7b56\u65b9\u6cd5\u3092\u30e1\u30e2\u3002\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"taitan\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/taitan916.info\/blog\/archives\/6562\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"ja_JP\" \/>\n\t\t<meta property=\"og:site_name\" content=\"\u52c9\u5f37\u3057\u305f\u3053\u3068\u306e\u30e1\u30e2\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"PHP\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u306e\u5bfe\u7b56\u3092\u3059\u308b\u65b9\u6cd5 | \u52c9\u5f37\u3057\u305f\u3053\u3068\u306e\u30e1\u30e2\" \/>\n\t\t<meta property=\"og:description\" content=\"\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb(Directory Traversal)\u653b\u6483\u5bfe\u7b56\u3092\u3057\u3066\u307b\u3057\u3044\u3068\u8981\u671b\u3092\u53d7\u3051\u305f\u3002\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u3068\u3044\u3046\u30ef\u30fc\u30c9\u81ea\u4f53\u628a\u63e1\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u305d\u306e\u8fba\u308a\u306e\u8a73\u7d30\u3068PHP\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306e\u5bfe\u7b56\u65b9\u6cd5\u3092\u30e1\u30e2\u3002\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/taitan916.info\/blog\/archives\/6562\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2014\/05\/images4.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2014\/05\/images4.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"309\" \/>\n\t\t<meta property=\"og:image:height\" content=\"163\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-10-11T01:38:12+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-07-15T18:04:01+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"PHP\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u306e\u5bfe\u7b56\u3092\u3059\u308b\u65b9\u6cd5 | \u52c9\u5f37\u3057\u305f\u3053\u3068\u306e\u30e1\u30e2\" \/>\n\t\t<meta name=\"twitter:description\" content=\"\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb(Directory Traversal)\u653b\u6483\u5bfe\u7b56\u3092\u3057\u3066\u307b\u3057\u3044\u3068\u8981\u671b\u3092\u53d7\u3051\u305f\u3002\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u3068\u3044\u3046\u30ef\u30fc\u30c9\u81ea\u4f53\u628a\u63e1\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u305d\u306e\u8fba\u308a\u306e\u8a73\u7d30\u3068PHP\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306e\u5bfe\u7b56\u65b9\u6cd5\u3092\u30e1\u30e2\u3002\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2014\/05\/images4.jpg\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/6562#article\",\"name\":\"PHP\\u3067\\u30d5\\u30a1\\u30a4\\u30eb\\u30a2\\u30c3\\u30d7\\u30ed\\u30fc\\u30c9\\u6642\\u306b\\u30c7\\u30a3\\u30ec\\u30af\\u30c8\\u30ea\\u30c8\\u30e9\\u30d0\\u30fc\\u30b5\\u30eb\\u653b\\u6483\\u306e\\u5bfe\\u7b56\\u3092\\u3059\\u308b\\u65b9\\u6cd5 | \\u52c9\\u5f37\\u3057\\u305f\\u3053\\u3068\\u306e\\u30e1\\u30e2\",\"headline\":\"PHP\\u3067\\u30d5\\u30a1\\u30a4\\u30eb\\u30a2\\u30c3\\u30d7\\u30ed\\u30fc\\u30c9\\u6642\\u306b\\u30c7\\u30a3\\u30ec\\u30af\\u30c8\\u30ea\\u30c8\\u30e9\\u30d0\\u30fc\\u30b5\\u30eb\\u653b\\u6483\\u306e\\u5bfe\\u7b56\\u3092\\u3059\\u308b\\u65b9\\u6cd5\",\"author\":{\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/author\\\/taitan916#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/#person\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/wp-content\\\/uploads\\\/2014\\\/05\\\/images4.jpg\",\"width\":309,\"height\":163},\"datePublished\":\"2024-10-11T10:38:12+09:00\",\"dateModified\":\"2024-07-16T03:04:01+09:00\",\"inLanguage\":\"ja\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/6562#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/6562#webpage\"},\"articleSection\":\"PHP\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/6562#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog#listItem\",\"position\":1,\"name\":\"\\u30db\\u30fc\\u30e0\",\"item\":\"https:\\\/\\\/taitan916.info\\\/blog\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/category\\\/php#listItem\",\"name\":\"PHP\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/category\\\/php#listItem\",\"position\":2,\"name\":\"PHP\",\"item\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/category\\\/php\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/6562#listItem\",\"name\":\"PHP\\u3067\\u30d5\\u30a1\\u30a4\\u30eb\\u30a2\\u30c3\\u30d7\\u30ed\\u30fc\\u30c9\\u6642\\u306b\\u30c7\\u30a3\\u30ec\\u30af\\u30c8\\u30ea\\u30c8\\u30e9\\u30d0\\u30fc\\u30b5\\u30eb\\u653b\\u6483\\u306e\\u5bfe\\u7b56\\u3092\\u3059\\u308b\\u65b9\\u6cd5\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog#listItem\",\"name\":\"\\u30db\\u30fc\\u30e0\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/6562#listItem\",\"position\":3,\"name\":\"PHP\\u3067\\u30d5\\u30a1\\u30a4\\u30eb\\u30a2\\u30c3\\u30d7\\u30ed\\u30fc\\u30c9\\u6642\\u306b\\u30c7\\u30a3\\u30ec\\u30af\\u30c8\\u30ea\\u30c8\\u30e9\\u30d0\\u30fc\\u30b5\\u30eb\\u653b\\u6483\\u306e\\u5bfe\\u7b56\\u3092\\u3059\\u308b\\u65b9\\u6cd5\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/category\\\/php#listItem\",\"name\":\"PHP\"}}]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/#person\",\"name\":\"taitan\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/author\\\/taitan916#author\",\"url\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/author\\\/taitan916\",\"name\":\"taitan\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/6562#webpage\",\"url\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/6562\",\"name\":\"PHP\\u3067\\u30d5\\u30a1\\u30a4\\u30eb\\u30a2\\u30c3\\u30d7\\u30ed\\u30fc\\u30c9\\u6642\\u306b\\u30c7\\u30a3\\u30ec\\u30af\\u30c8\\u30ea\\u30c8\\u30e9\\u30d0\\u30fc\\u30b5\\u30eb\\u653b\\u6483\\u306e\\u5bfe\\u7b56\\u3092\\u3059\\u308b\\u65b9\\u6cd5 | \\u52c9\\u5f37\\u3057\\u305f\\u3053\\u3068\\u306e\\u30e1\\u30e2\",\"description\":\"\\u3042\\u308b\\u30b7\\u30b9\\u30c6\\u30e0\\u306e\\u30bb\\u30ad\\u30e5\\u30ea\\u30c6\\u30a3\\u5bfe\\u7b56\\u3068\\u3057\\u3066\\u30c7\\u30a3\\u30ec\\u30af\\u30c8\\u30ea\\u30c8\\u30e9\\u30d0\\u30fc\\u30b5\\u30eb(Directory Traversal)\\u653b\\u6483\\u5bfe\\u7b56\\u3092\\u3057\\u3066\\u307b\\u3057\\u3044\\u3068\\u8981\\u671b\\u3092\\u53d7\\u3051\\u305f\\u3002\\u30c7\\u30a3\\u30ec\\u30af\\u30c8\\u30ea\\u30c8\\u30e9\\u30d0\\u30fc\\u30b5\\u30eb\\u653b\\u6483\\u3068\\u3044\\u3046\\u30ef\\u30fc\\u30c9\\u81ea\\u4f53\\u628a\\u63e1\\u3057\\u3066\\u3044\\u306a\\u304b\\u3063\\u305f\\u306e\\u3067\\u305d\\u306e\\u8fba\\u308a\\u306e\\u8a73\\u7d30\\u3068PHP\\u3067\\u306e\\u30d5\\u30a1\\u30a4\\u30eb\\u30a2\\u30c3\\u30d7\\u30ed\\u30fc\\u30c9\\u6642\\u306e\\u5bfe\\u7b56\\u65b9\\u6cd5\\u3092\\u30e1\\u30e2\\u3002\",\"inLanguage\":\"ja\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/6562#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/author\\\/taitan916#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/author\\\/taitan916#author\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/wp-content\\\/uploads\\\/2014\\\/05\\\/images4.jpg\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/6562\\\/#mainImage\",\"width\":309,\"height\":163},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/archives\\\/6562#mainImage\"},\"datePublished\":\"2024-10-11T10:38:12+09:00\",\"dateModified\":\"2024-07-16T03:04:01+09:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/\",\"name\":\"\\u52c9\\u5f37\\u3057\\u305f\\u3053\\u3068\\u306e\\u30e1\\u30e2\",\"description\":\"Web\\u30a8\\u30f3\\u30b8\\u30cb\\u30a2 \\\/ \\u30d7\\u30ed\\u30b0\\u30e9\\u30de\\u304c\\u52c9\\u5f37\\u3057\\u305f\\u3053\\u3068\\u306e\\u30e1\\u30e2\\u3002\",\"inLanguage\":\"ja\",\"publisher\":{\"@id\":\"https:\\\/\\\/taitan916.info\\\/blog\\\/#person\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"PHP\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u306e\u5bfe\u7b56\u3092\u3059\u308b\u65b9\u6cd5 | \u52c9\u5f37\u3057\u305f\u3053\u3068\u306e\u30e1\u30e2","description":"\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb(Directory Traversal)\u653b\u6483\u5bfe\u7b56\u3092\u3057\u3066\u307b\u3057\u3044\u3068\u8981\u671b\u3092\u53d7\u3051\u305f\u3002\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u3068\u3044\u3046\u30ef\u30fc\u30c9\u81ea\u4f53\u628a\u63e1\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u305d\u306e\u8fba\u308a\u306e\u8a73\u7d30\u3068PHP\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306e\u5bfe\u7b56\u65b9\u6cd5\u3092\u30e1\u30e2\u3002","canonical_url":"https:\/\/taitan916.info\/blog\/archives\/6562","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/taitan916.info\/blog\/archives\/6562#article","name":"PHP\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u306e\u5bfe\u7b56\u3092\u3059\u308b\u65b9\u6cd5 | \u52c9\u5f37\u3057\u305f\u3053\u3068\u306e\u30e1\u30e2","headline":"PHP\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u306e\u5bfe\u7b56\u3092\u3059\u308b\u65b9\u6cd5","author":{"@id":"https:\/\/taitan916.info\/blog\/archives\/author\/taitan916#author"},"publisher":{"@id":"https:\/\/taitan916.info\/blog\/#person"},"image":{"@type":"ImageObject","url":"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2014\/05\/images4.jpg","width":309,"height":163},"datePublished":"2024-10-11T10:38:12+09:00","dateModified":"2024-07-16T03:04:01+09:00","inLanguage":"ja","mainEntityOfPage":{"@id":"https:\/\/taitan916.info\/blog\/archives\/6562#webpage"},"isPartOf":{"@id":"https:\/\/taitan916.info\/blog\/archives\/6562#webpage"},"articleSection":"PHP"},{"@type":"BreadcrumbList","@id":"https:\/\/taitan916.info\/blog\/archives\/6562#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/taitan916.info\/blog#listItem","position":1,"name":"\u30db\u30fc\u30e0","item":"https:\/\/taitan916.info\/blog","nextItem":{"@type":"ListItem","@id":"https:\/\/taitan916.info\/blog\/archives\/category\/php#listItem","name":"PHP"}},{"@type":"ListItem","@id":"https:\/\/taitan916.info\/blog\/archives\/category\/php#listItem","position":2,"name":"PHP","item":"https:\/\/taitan916.info\/blog\/archives\/category\/php","nextItem":{"@type":"ListItem","@id":"https:\/\/taitan916.info\/blog\/archives\/6562#listItem","name":"PHP\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u306e\u5bfe\u7b56\u3092\u3059\u308b\u65b9\u6cd5"},"previousItem":{"@type":"ListItem","@id":"https:\/\/taitan916.info\/blog#listItem","name":"\u30db\u30fc\u30e0"}},{"@type":"ListItem","@id":"https:\/\/taitan916.info\/blog\/archives\/6562#listItem","position":3,"name":"PHP\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u306e\u5bfe\u7b56\u3092\u3059\u308b\u65b9\u6cd5","previousItem":{"@type":"ListItem","@id":"https:\/\/taitan916.info\/blog\/archives\/category\/php#listItem","name":"PHP"}}]},{"@type":"Person","@id":"https:\/\/taitan916.info\/blog\/#person","name":"taitan"},{"@type":"Person","@id":"https:\/\/taitan916.info\/blog\/archives\/author\/taitan916#author","url":"https:\/\/taitan916.info\/blog\/archives\/author\/taitan916","name":"taitan"},{"@type":"WebPage","@id":"https:\/\/taitan916.info\/blog\/archives\/6562#webpage","url":"https:\/\/taitan916.info\/blog\/archives\/6562","name":"PHP\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u306e\u5bfe\u7b56\u3092\u3059\u308b\u65b9\u6cd5 | \u52c9\u5f37\u3057\u305f\u3053\u3068\u306e\u30e1\u30e2","description":"\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb(Directory Traversal)\u653b\u6483\u5bfe\u7b56\u3092\u3057\u3066\u307b\u3057\u3044\u3068\u8981\u671b\u3092\u53d7\u3051\u305f\u3002\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u3068\u3044\u3046\u30ef\u30fc\u30c9\u81ea\u4f53\u628a\u63e1\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u305d\u306e\u8fba\u308a\u306e\u8a73\u7d30\u3068PHP\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306e\u5bfe\u7b56\u65b9\u6cd5\u3092\u30e1\u30e2\u3002","inLanguage":"ja","isPartOf":{"@id":"https:\/\/taitan916.info\/blog\/#website"},"breadcrumb":{"@id":"https:\/\/taitan916.info\/blog\/archives\/6562#breadcrumblist"},"author":{"@id":"https:\/\/taitan916.info\/blog\/archives\/author\/taitan916#author"},"creator":{"@id":"https:\/\/taitan916.info\/blog\/archives\/author\/taitan916#author"},"image":{"@type":"ImageObject","url":"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2014\/05\/images4.jpg","@id":"https:\/\/taitan916.info\/blog\/archives\/6562\/#mainImage","width":309,"height":163},"primaryImageOfPage":{"@id":"https:\/\/taitan916.info\/blog\/archives\/6562#mainImage"},"datePublished":"2024-10-11T10:38:12+09:00","dateModified":"2024-07-16T03:04:01+09:00"},{"@type":"WebSite","@id":"https:\/\/taitan916.info\/blog\/#website","url":"https:\/\/taitan916.info\/blog\/","name":"\u52c9\u5f37\u3057\u305f\u3053\u3068\u306e\u30e1\u30e2","description":"Web\u30a8\u30f3\u30b8\u30cb\u30a2 \/ \u30d7\u30ed\u30b0\u30e9\u30de\u304c\u52c9\u5f37\u3057\u305f\u3053\u3068\u306e\u30e1\u30e2\u3002","inLanguage":"ja","publisher":{"@id":"https:\/\/taitan916.info\/blog\/#person"}}]},"og:locale":"ja_JP","og:site_name":"\u52c9\u5f37\u3057\u305f\u3053\u3068\u306e\u30e1\u30e2","og:type":"article","og:title":"PHP\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u306e\u5bfe\u7b56\u3092\u3059\u308b\u65b9\u6cd5 | \u52c9\u5f37\u3057\u305f\u3053\u3068\u306e\u30e1\u30e2","og:description":"\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb(Directory Traversal)\u653b\u6483\u5bfe\u7b56\u3092\u3057\u3066\u307b\u3057\u3044\u3068\u8981\u671b\u3092\u53d7\u3051\u305f\u3002\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u3068\u3044\u3046\u30ef\u30fc\u30c9\u81ea\u4f53\u628a\u63e1\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u305d\u306e\u8fba\u308a\u306e\u8a73\u7d30\u3068PHP\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306e\u5bfe\u7b56\u65b9\u6cd5\u3092\u30e1\u30e2\u3002","og:url":"https:\/\/taitan916.info\/blog\/archives\/6562","og:image":"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2014\/05\/images4.jpg","og:image:secure_url":"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2014\/05\/images4.jpg","og:image:width":309,"og:image:height":163,"article:published_time":"2024-10-11T01:38:12+00:00","article:modified_time":"2024-07-15T18:04:01+00:00","twitter:card":"summary","twitter:title":"PHP\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u306e\u5bfe\u7b56\u3092\u3059\u308b\u65b9\u6cd5 | \u52c9\u5f37\u3057\u305f\u3053\u3068\u306e\u30e1\u30e2","twitter:description":"\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb(Directory Traversal)\u653b\u6483\u5bfe\u7b56\u3092\u3057\u3066\u307b\u3057\u3044\u3068\u8981\u671b\u3092\u53d7\u3051\u305f\u3002\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u3068\u3044\u3046\u30ef\u30fc\u30c9\u81ea\u4f53\u628a\u63e1\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u305d\u306e\u8fba\u308a\u306e\u8a73\u7d30\u3068PHP\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306e\u5bfe\u7b56\u65b9\u6cd5\u3092\u30e1\u30e2\u3002","twitter:image":"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2014\/05\/images4.jpg"},"aioseo_meta_data":{"post_id":"6562","title":null,"description":"\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3068\u3057\u3066\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb(Directory Traversal)\u653b\u6483\u5bfe\u7b56\u3092\u3057\u3066\u307b\u3057\u3044\u3068\u8981\u671b\u3092\u53d7\u3051\u305f\u3002\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u3068\u3044\u3046\u30ef\u30fc\u30c9\u81ea\u4f53\u628a\u63e1\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u305d\u306e\u8fba\u308a\u306e\u8a73\u7d30\u3068PHP\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306e\u5bfe\u7b56\u65b9\u6cd5\u3092\u30e1\u30e2\u3002","keywords":null,"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"Article","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2024-07-15 14:38:12","updated":"2025-12-18 08:07:24","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/taitan916.info\/blog\" title=\"\u30db\u30fc\u30e0\">\u30db\u30fc\u30e0<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/taitan916.info\/blog\/archives\/category\/php\" title=\"PHP\">PHP<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tPHP\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u306e\u5bfe\u7b56\u3092\u3059\u308b\u65b9\u6cd5\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"\u30db\u30fc\u30e0","link":"https:\/\/taitan916.info\/blog"},{"label":"PHP","link":"https:\/\/taitan916.info\/blog\/archives\/category\/php"},{"label":"PHP\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6642\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u653b\u6483\u306e\u5bfe\u7b56\u3092\u3059\u308b\u65b9\u6cd5","link":"https:\/\/taitan916.info\/blog\/archives\/6562"}],"_links":{"self":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/6562","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/comments?post=6562"}],"version-history":[{"count":3,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/6562\/revisions"}],"predecessor-version":[{"id":6565,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/6562\/revisions\/6565"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media\/1085"}],"wp:attachment":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media?parent=6562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/categories?post=6562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/tags?post=6562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}