CVE-2026-32273
5.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| discourse | discourse | >= 2026.1.0-latest, < 2026.1.3 | affected |
| discourse | discourse | >= 2026.2.0-latest, < 2026.2.2 | affected |
| discourse | discourse | >= 2026.3.0-latest, < 2026.3.0 | affected |
Weaknesses
- CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://github.com/discourse/discourse/security/advisories/GHSA-h2h4-767x-6pc8
- https://github.com/discourse/discourse/commit/05e3da2a670cfd499649128b6c955b552451240b
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