Vulnerability Information
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Vulnerability Title
HTML injection via topic embedding in Discourse
Vulnerability Description
Discourse is an open source platform for community discussion. This vulnerability is not exploitable on the default install of Discourse. A custom feature must be enabled for it to work at all, and the attacker’s payload must pass the CSP to be executed. However, if an attacker succeeds in embedding Javascript that does pass the CSP, it could result in session hijacking for any users that view the attacker’s post. The vulnerability is patched in the latest tests-passed, beta and stable branches. Users are advised to upgrade. Users unable to upgrade should enable and/or restore your site's CSP to the default one provided with Discourse. Remove any embed-able hosts configured.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
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存在跨站脚本漏洞，该漏洞源于允许嵌入通过 CSP 的 Javascript，导致用户会话劫持。受影响的产品和版本：Discourse stable 3.0.2及之前版本，beta 3.1.0.beta3及之前版本，tests-passed 3.1.0.beta3及之前版本。
CVSS Information
N/A
Vulnerability Type
N/A