Vulnerability Information
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Vulnerability Title
Discourse vulnerable to Cross-site Scripting in local oneboxes
Vulnerability Description
Discourse is an open source platform for community discussion. Versions prior to 2.8.13 (stable), 3.0.0.beta16 (beta) and 3.0.0beta16 (tests-passed), are vulnerable to cross-site Scripting. A maliciously crafted URL can be included in a post to carry out cross-site scripting attacks on sites with disabled or overly permissive CSP (Content Security Policy). Discourse's default CSP prevents this vulnerability. This vulnerability is patched in versions 2.8.13 (stable), 3.0.0.beta16 (beta) and 3.0.0beta16 (tests-passed). As a workaround, enable and/or restore your site's CSP to the default one provided with Discourse.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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
Discourse 跨站脚本漏洞
Vulnerability Description
Discourse是一套开源的社区讨论平台。该平台包括社区、电子邮件和聊天室等功能。 Discourse 2.8.13之前版本（稳定版）、3.0.0.beta16之前版本（测试版）、3.0.0beta16之前版本（测试通过）存在跨站脚本漏洞。攻击者利用该漏洞执行跨站脚本攻击。
CVSS Information
N/A
Vulnerability Type
N/A