{"blog_url":"https://cysec148.hatenablog.com/","blog_title":"Shikata Ga Nai","description":"Hello there, ('\u03c9')\u30ce 1. \u901a\u5e38\u306eDOM\u306e\u4ed5\u7d44\u307f HTML\u8981\u7d20\u306b\u306f id \u3084 name \u3092\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a <input id=\"user\"> \u3059\u308b\u3068JavaScript\u304b\u3089\u306f\u3053\u3046\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\uff1a document.getElementById(\"user\"); // <input id=\"user\"> \u3053\u308c\u306f\u666e\u901a\u306e\u52d5\u304d\u3067\u3059\u3002 2. \u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u540d\u524d\u304c\u885d\u7a81\u3059\u308b\u30b1\u30fc\u30b9 \u30d6\u30e9\u30a6\u30b6\u306b\u306f\u3059\u3067\u306b\u300c\u4e88\u7d04\u3055\u308c\u3066\u3044\u308bDOM\u30d7\u30ed\u30d1\u30c6\u30a3\u300d\u304c\u3042\u308a\u307e\u3059\u3002 \u4f8b\u3048\u3070 form.elements \u306f\u300c\u30d5\u30a9\u30fc\u30e0\u5185\u306e\u3059\u3079\u3066\u306e\u5165\u529b\u8981\u7d20\u300d\u3092\u8868\u3057\u307e\u3059\u3002 <form id=\"f\"> <input id=\"u\u2026","title":"DOM Clobbering \u306e\u300c\u4e0a\u66f8\u304d\u300d\u3068\u306f\uff1f","provider_url":"https://hatena.blog","version":"1.0","image_url":null,"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcysec148.hatenablog.com%2Fentry%2F2025%2F09%2F09%2F075432\" title=\"DOM Clobbering \u306e\u300c\u4e0a\u66f8\u304d\u300d\u3068\u306f\uff1f - Shikata Ga Nai\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://cysec148.hatenablog.com/entry/2025/09/09/075432","categories":["Web Security Academy","XSS"],"height":"190","type":"rich","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/ThisIsOne/","author_name":"ThisIsOne","published":"2025-09-09 07:54:32"}