CVE-2025-58054 — Discourse is vulnerable to XSS when quoting chat messages
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 t…
Published: 2025-10-01 · CVSS: 3.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7