{"provider_name":"Hatena Blog","image_url":null,"author_name":"nishitatsu","provider_url":"https://hatena.blog","url":"https://gaibukiokusouchi.hatenablog.com/entry/2025/08/22/142944","published":"2025-08-22 14:29:44","title":"\u3010Rails\u3011\u300c\u6539\u884c\u300d\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u305b\u305a\u306b\u8868\u793a\u3059\u308b","blog_url":"https://gaibukiokusouchi.hatenablog.com/","height":"190","author_url":"https://blog.hatena.ne.jp/nishitatsu/","categories":["Rails"],"width":"100%","description":"\u3010\u76ee\u6b21\u3011 \u6982\u8981 \u66f8\u304d\u65b9 \u66f8\u304d\u65b9\u4f8b \u6982\u8981 \u300c\u6539\u884c\u30b3\u30fc\u30c9\u300d\u3092\u300c\u30a8\u30b9\u30b1\u30fc\u30d7\u3055\u308c\u306a\u3044HTML\u30bf\u30b0\u300d\u306b\u7f6e\u304d\u63db\u3048\u3066\u8868\u793a\u3059\u308b \u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u66f8\u304d\u65b9 < \u3010Rails\u3011\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\uff08XSS\uff09\u3068\u305d\u306e\u5bfe\u7b56 \u66f8\u304d\u65b9 safe_join\uff1a\u300c\u7b2c1\u5f15\u6570\uff08\u914d\u5217\uff09\u306e\u8981\u7d20\u300d\u3092\u300c\u7b2c2\u5f15\u6570\uff08\u533a\u5207\u308a\u6587\u5b57\u5217\uff09\u300d\u3067\u7e4b\u3044\u3060\u6587\u5b57\u5217\u3092\u8fd4\u3059\u3002\u3053\u306e\u6642\u3001\u5168\u3066HTML\u30a8\u30b9\u30b1\u30fc\u30d7\u3055\u308c\u308b\uff08\u305f\u3060\u3057\u3001html_safe \u304c\u9069\u7528\u3055\u308c\u305f\u3082\u306e\u306f\u30a8\u30b9\u30b1\u30fc\u30d7\u3055\u308c\u306a\u3044\uff09 safe_join < ActionView::Helpers::OutputSafetyHelper tag.br\uff1a\u30a8\u30b9\u30b1\u30fc\u30d7\u3055\u308c\u306a\u3044<br>\u3092\u8fd4\u3059\uff08html_safe \u304c\u9069\u7528\u3055\u308c\u305f\u306e\u3068\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgaibukiokusouchi.hatenablog.com%2Fentry%2F2025%2F08%2F22%2F142944\" title=\"\u3010Rails\u3011\u300c\u6539\u884c\u300d\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u305b\u305a\u306b\u8868\u793a\u3059\u308b - \u79c1\u306e\u5916\u90e8\u8a18\u61b6\u88c5\u7f6e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","type":"rich","blog_title":"\u79c1\u306e\u5916\u90e8\u8a18\u61b6\u88c5\u7f6e"}