CVE-2022-39232— Discourse vulnerable to incomplete quote causing a topic to crash in the browser
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I. Basic Information for CVE-2022-39232
Vulnerability Information
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Vulnerability Title
Discourse vulnerable to incomplete quote causing a topic to crash in the browser
Source: NVD (National Vulnerability Database)
Vulnerability Description
Discourse is an open source discussion platform. Starting with version 2.9.0.beta5 and prior to version 2.9.0.beta10, an incomplete quote can generate a JavaScript error which will crash the current page in the browser in some cases. Version 2.9.0.beta10 added a fix and tests to ensure incomplete quotes won't break the app. As a workaround, the quote can be fixed via the rails console.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Discourse 安全漏洞
Source: CNNVD (China National Vulnerability Database)
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 2.8.9之前版本、2.9.0.beta9之前版本存在安全漏洞，该漏洞源于在某些情况下，不完整的引用会产生 JavaScript 错误，这会导致浏览器中的当前页面崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2022-39232
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- https://github.com/discourse/discourse/pull/18311x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2022-39232
Same Patch Batch · discourse · 2022-09-29 · 4 CVEs total
| CVE-2022-36066 | 9.1 CRITICAL | Discourse vulnerable to RCE via admins uploading maliciously zipped file |
| CVE-2022-36068 | 7.2 HIGH | Discourse moderators can edit themes via the API |
| CVE-2022-39226 | 4.3 MEDIUM | Discourse user profile location and website fields were not sufficiently length-limited |
IV. Related Vulnerabilities
Same product: discourse
- CVE-2026-34947
Discourse: Staged user custom fields are exposed on public i - CVE-2026-27481
Discourse: Hidden tag visibility bypass on tag routes - CVE-2026-33415
Discourse: Improper Access Control in discourse-ai Allows Un - CVE-2026-33300
Discourse: Hidden group names and access metadata are expose - CVE-2026-33185
Discourse: Group SMTP test endpoint susceptible to SSRF
Same vendor: discourse
- CVE-2026-34947
Discourse: Staged user custom fields are exposed on public i - CVE-2026-27481
Discourse: Hidden tag visibility bypass on tag routes - CVE-2026-33415
Discourse: Improper Access Control in discourse-ai Allows Un - CVE-2026-33300
Discourse: Hidden group names and access metadata are expose - CVE-2026-33185
Discourse: Group SMTP test endpoint susceptible to SSRF
Same weakness: CWE-20
V. Comments for CVE-2022-39232
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