Denial-of- service By Cache Poisoning The Cross-Origin Resource Sharing Misconfiguration Allow Origin Header
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原文摘录
摘自原文（4868 字符中的一小部分）
The `wp-json` implementation on some WordPress websites I've tested is vulnerable to Denial-of-service where by an attacker can provide an arbitrary origin header in the request, which is then echoed back in the response via the `Access-Control-Allow-Origin` header, which is cached and served to …
原文中的代码
fetch('https://en.instagram-brand.com/wp-json/').then(res => res.json()).then(json => console.log(json))默认不展示报告全文。以上为简短摘录，完整复现过程请阅读原文。版权归研究员与 Automattic 所有。
时间线
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阅读 HackerOne 原文 ↗作者 @hannanhaseeb · 版权归作者与 Automattic 所有