{"categories":["SECURITY"],"published":"2007-03-13 00:00:01","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/h/hasegawayosuke/20070313/20070313235135.png","provider_name":"Hatena Blog","width":"100%","url":"https://hasegawa.hatenablog.com/entry/20070313/p2","description":"IE \u3067\u4f8b\u3048\u3070 <input type=\"text\" value=\"`abc`size=200\"> \u306e\u3088\u3046\u306aHTML\u3092\u8868\u793a\u3055\u305b\u305f\u3068\u3057\u307e\u3059\u3002value \u5c5e\u6027\u306f\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\u3067\u56f2\u307e\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u5f53\u7136\u300c`abc`size=200\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u306b\u306a\u308a\u307e\u3059\u3002\u3068\u3053\u308d\u304c\u3001\u3053\u308c\u3092\u5370\u5237\u30d7\u30ec\u30d3\u30e5\u30fc\u3055\u305b\u3066\u307f\u308b\u3068 a) value \u306b\u30b9\u30da\u30fc\u30b9\u304c\u5165\u3063\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u524d\u5f8c\u306e \"\" \u306f\u6d88\u3048\u308b\u3002 b) \u30d0\u30c3\u30af\u30af\u30a9\u30fc\u30c8(`) \u304c\u5f15\u7528\u7b26\u3068\u3057\u3066\u50cd\u304f \u3068\u3044\u30462\u3064\u306e\u304a\u304b\u3057\u306a\u6319\u52d5\u304c\u91cd\u306a\u3063\u3066\u3001size \u5c5e\u6027\u304c\u6709\u52b9\u3068\u306a\u308a\u3001input \u306e\u30b5\u30a4\u30ba\u304c200\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002 \u3055\u3066\u3001\u3053\u308c\u3092\u5229\u7528\u3057\u3066XSS\u3055\u305b\u308b\u3053\u3068\u306f\u53ef\u80fd\u304b\u3001\u3068\u3044\u3046\u3053\u3068\u3067\u3044\u308d\u3044\u308d\u691c\u8a3c\u2026","type":"rich","height":"190","title":" \u3067\u3001\u3053\u3053\u304b\u3089\u304c\u672c\u984c","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/hasegawayosuke/","blog_title":"\u8449\u3063\u3071\u65e5\u8a18","blog_url":"https://hasegawa.hatenablog.com/","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhasegawa.hatenablog.com%2Fentry%2F20070313%2Fp2\" title=\" \u3067\u3001\u3053\u3053\u304b\u3089\u304c\u672c\u984c - \u8449\u3063\u3071\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"hasegawayosuke"}