漏洞信息
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Vulnerability Title
Stored cross-site scripting vulnerability in GitHub Enterprise Server allowed arbitrary JavaScript execution via crafted Discussion titles in the Q&A category
Vulnerability Description
A stored cross-site scripting vulnerability was identified in GitHub Enterprise Server that allowed an authenticated attacker to execute arbitrary JavaScript in another user's browser by injecting a crafted payload into the title of a Discussion in the Q&A category. The AnsweredQuestionStructuredDataComponent did not escape user-controlled Discussion titles before embedding them in a <script type="application/ld+json"> block, allowing the title to break out of the script context. The injection was escalated to a full cross-site scripting attack on GitHub Enterprise Server by leveraging JSONP callback support in the REST API to bypass the Content Security Policy. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.21 and was fixed in versions 3.20.4, 3.19.8, 3.18.11, 3.17.17, 3.16.20. This vulnerability was reported via the GitHub Bug Bounty program.
CVSS Information
N/A
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Vulnerability Title
GitHub Enterprise Server 跨站脚本漏洞
Vulnerability Description
GitHub enterprise server是美国GitHub公司的一款一座企业级代码托管服务器。 GitHub Enterprise Server存在跨站脚本漏洞,该漏洞源于AnsweredQuestionStructuredDataComponent未转义Q&A类别讨论标题,在嵌入到<script type="application/ld+json">块前导致标题可打破脚本环境,利用REST API的JSONP回调支持绕过内容安全策略,导致存储型跨站脚本攻击,允许经过身份验证的攻击者在另一用户浏览
CVSS Information
N/A
Vulnerability Type
N/A