API: missing invalidation of OAuth2 Authorization Code during access revocation causes authorization bypass
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原文摘录
摘自原文（5879 字符中的一小部分）
OAuth2 API makes it possible for users to grant access to their accounts to some third-side applications. Of course, users are able to manage such applications' access to their accounts and may deny access for any application. When some user denies access for the application, all `access_token`s …
原文中的代码
https://api.vimeo.com/oauth/authorize?response_type=code&client_id=79658bbee0da8be5254a5137bc0fcc93f7059a2a&redirect_uri=https://avuln.com/callback&scope=public&state=0123456789abcdef
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时间线
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阅读 HackerOne 原文 ↗作者 @dor1s · 版权归作者与 Vimeo 所有