Unrated severityNVD Advisory· Published Oct 1, 2025· Updated Oct 1, 2025
Discourse is vulnerable to XSS when quoting chat messages
CVE-2025-58054
Description
Discourse is an open-source community discussion platform. Versions 3.5.0 and below are vulnerable to XSS attacks through parsing and rendering of chat channel titles and chat thread titles via the quote message functionality when using the rich text editor. This issue is fixed in version 3.5.1.
Affected products
1- Range: < 3.5.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- github.com/discourse/discourse/commit/3a224fd546d894ee408e7414b6879e814a792f91mitrex_refsource_MISC
- github.com/discourse/discourse/security/advisories/GHSA-7p47-8m82-m2vfmitrex_refsource_CONFIRM
News mentions
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