CVE-2026-32273
Discourse: XSS on category description update via API
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | discourse |
| Product | discourse |
| Published | Mar 31, 2026 |
| Last Updated | Mar 31, 2026 |
Stay Ahead of the Next One
Get instant alerts for discourse discourse
Be the first to know when new medium vulnerabilities affecting discourse discourse are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
discourse / discourse
>= 2026.1.0-latest, < 2026.1.3 >= 2026.2.0-latest, < 2026.2.2 >= 2026.3.0-latest, < 2026.3.0