Low 3.5Published Oct 1, 2025

CVE-2025-58054Discourse is vulnerable to XSS when quoting chat messages

Updated under an hour ago (Oct 27, 2026, 11:10 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 3.5 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-80
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Oct 1, 2025
First seen by InfoSec Signals: Oct 19, 2026

Affected products

Affected products

discourse discourse discourse:discourse (from the name)	before 3.5.1	CNA record
discourse discourse discourse:discourse	before 3.5.0; before 3.6.0; 3.6.0	NVD

References

References

https://github.com/discourse/discourse/security/advisories/GHSA-7p47-8m82-m2vf	x-refsource-confirm, vendor-advisory
https://github.com/discourse/discourse/commit/3a224fd546d894ee408e7414b6879e814a792f91	x-refsource-misc, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.