CVE-2022-21678: Discourse

Medium severity, CVSS 4.3. EPSS: 0.8% chance of exploitation in the next 30 days.

Discourse is an open source discussion platform. Prior to version 2.8.0.beta11 in the `tests-passed` branch, version 2.8.0.beta11 in the `beta` branch, and version 2.7.13 in the `stable` branch, the bios of users who made their profiles private were still visible in the `<meta>` tags on their users' pages. The problem is patched in `tests-passed` version 2.8.0.beta11, `beta` version 2.8.0.beta11, and `stable` version 2.7.13 of Discourse.

Affected products

• Discourse Discourse: before 2.7.13 (fixed in 2.7.13); version 2.8.0 only

Published 2022-01-13. Last modified 2026-06-17.