PT-2026-29306 · Discourse · Discourse

Published 2026-03-31 · Updated 2026-03-31 · CVE-2026-32273

Mitre

CVSS v3.1

5.4

Medium

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, updating a category description via API is not sanitizing the description string, which can lead to XSS attacks. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-32273

Affected Products

Discourse

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-32273 · Security Note
• https://github.com/discourse/discourse/security/advisories/GHSA-h2h4-767x-6pc8 · Note
• https://github.com/discourse/discourse/commit/05e3da2a670cfd499649128b6c955b552451240b · Note