{"categories":["Web Security Academy","Prototype pollution"],"url":"https://cysec148.hatenablog.com/entry/2025/09/17/064018","version":"1.0","title":"\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306ePrototype Pollution\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5\uff08\u521d\u5fc3\u8005\u5411\u3051\uff09","type":"rich","provider_name":"Hatena Blog","width":"100%","description":"Hello there, ('\u03c9')\u30ce \u6982\u8981\uff08\u77ed\u304f\uff09 \u653b\u6483\u306e\u30a2\u30a4\u30c7\u30a2\uff1aObject.prototype \u306b\u4efb\u610f\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8ffd\u52a0\u3067\u304d\u308c\u3070\u3001\u30da\u30fc\u30b8\u5185\u306e\u591a\u304f\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u305d\u306e\u5024\u3092\u7d99\u627f\u3059\u308b\u3002 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u306e\u5178\u578b\u7684\u306a\u5165\u529b\u7d4c\u8def\uff1a\u30af\u30a8\u30ea\u6587\u5b57\u5217\u3001\u30cf\u30c3\u30b7\u30e5\uff08\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\uff09\u3001JSON\u5165\u529b\uff08postMessage\u3084XHR\uff09\u306a\u3069\u3002 \u691c\u67fb\u65b9\u6cd5\uff1a\u30d6\u30e9\u30a6\u30b6\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u3067 Object.prototype.<\u4efb\u610f\u30ad\u30fc> \u3092\u8997\u3044\u3066\u6210\u529f\u3092\u78ba\u8a8d\u3059\u308b\u3002\u6210\u529f\u3057\u305f\u3089\u3059\u3050\u6d88\u3059\uff08\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\uff09\u3002 \u624b\u9806\uff08\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\uff09 1) \u307e\u305a\u306f\u300c\u5b89\u5168\u306a\u300d\u8b58\u5225\u5b50\u3092\u6c7a\u3081\u308b \u30c6\u30b9\u30c8\u3067\u4f7f\u3046\u30ad\u30fc\u306f\u30e6\u30cb\u30fc\u30af\u306b\u3057\u3066\u3001\u4ed6\u306e\u5f71\u97ff\u3092\u907f\u3051\u308b\u3002\u4f8b\u3048\u3070\uff1a poll\u2026","blog_title":"Shikata Ga Nai","author_url":"https://blog.hatena.ne.jp/ThisIsOne/","author_name":"ThisIsOne","published":"2025-09-17 06:40:18","blog_url":"https://cysec148.hatenablog.com/","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcysec148.hatenablog.com%2Fentry%2F2025%2F09%2F17%2F064018\" title=\"\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306ePrototype Pollution\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5\uff08\u521d\u5fc3\u8005\u5411\u3051\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>","height":"190","provider_url":"https://hatena.blog"}