{"author_name":"ThisIsOne","categories":["Web Security Academy","XSS"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcysec148.hatenablog.com%2Fentry%2F2025%2F08%2F20%2F171855\" title=\"\u3010\u6709\u6599\u8a66\u4f5c\u7248\u3011PortSwigger LAB\u89e3\u8aac\uff1aExploiting DOM clobbering to enable XSS\uff08DOM Clobbering\u3067XSS\u767a\u706b\uff09 - 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>","title":"\u3010\u6709\u6599\u8a66\u4f5c\u7248\u3011PortSwigger LAB\u89e3\u8aac\uff1aExploiting DOM clobbering to enable XSS\uff08DOM Clobbering\u3067XSS\u767a\u706b\uff09","height":"190","version":"1.0","blog_url":"https://cysec148.hatenablog.com/","width":"100%","published":"2025-08-20 17:18:55","image_url":null,"author_url":"https://blog.hatena.ne.jp/ThisIsOne/","description":"Hello there, ('\u03c9')\u30ce \u306d\u3089\u3044 \u3053\u306eLAB\u306f\u3001\u30b3\u30e1\u30f3\u30c8\u6b04\u306b\u8a31\u53ef\u3055\u308c\u305f\u201c\u5b89\u5168\u305d\u3046\u306aHTML\u201d\u3060\u3051\u3067\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570\u3092\u66f8\u304d\u63db\u3048\u308bDOM Clobbering\uff08DOM\u6c5a\u67d3\uff09\u3092\u8d77\u3053\u3057\u3001\u30a2\u30d7\u30ea\u306eJS\u304c\u305d\u308c\u3092\u4fe1\u3058\u3066\u4f7f\u3063\u305f\u77ac\u9593\u306bXSS\uff08alert\uff09\u3092\u767a\u706b\u3055\u305b\u308b\u306e\u304c\u30b4\u30fc\u30eb\u3067\u3059\u3002 \u30dd\u30a4\u30f3\u30c8\u306f\u3001\u30a2\u30d7\u30ea\u5074\u306e\u30b3\u30fc\u30c9\u304c\u4f7f\u3046\u6b21\u306e\u30d1\u30bf\u30fc\u30f3\u306e\u5371\u967a\u6027\u3092\u7a81\u304f\u3053\u3068\uff1a let defaultAvatar = window.defaultAvatar || { avatar: '/resources/images/avatarDefault.svg' } \u4e0a\u8a18\u306f\u3001window.defaultAvatar \u304c\u201c\u4f55\u304b\u5024\u201d\u306a\u2026","url":"https://cysec148.hatenablog.com/entry/2025/08/20/171855","type":"rich","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","blog_title":"Shikata Ga Nai"}