CVE-2023-47119: Discourse

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

Discourse is an open source platform for community discussion. Prior to version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches, some links can inject arbitrary HTML tags when rendered through our Onebox engine. The issue is patched in version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches. There are no known workarounds.

Affected products

• Discourse Discourse: before 3.1.3 (fixed in 3.1.3); before 3.2.0 (fixed in 3.2.0); version 3.2.0 only

Published 2023-11-10. Last modified 2026-06-17.