CVE-2022-46162

CRITICAL 9.8CVE-2022-46162 · Published 30/11/2022 · updated 17/06/2026

In short

CVE-2022-46162 is a CRITICAL (CVSS 9.8) vulnerability affecting discourse bbcode (discourse).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 67.8% of all vulnerabilities.
Fix: update to 2022-11-30 or later.

Package	Affected versions	Patched versions
discourse bbcode discourse	`< 2022-11-30`	`2022-11-30`

Description

discourse-bbcode is the official BBCode plugin for Discourse. Prior to commit 91478f5, CSS injection can occur when rendering content generated with the discourse-bccode plugin. This vulnerability only affects sites which have the discourse-bbcode plugin installed and enabled. This issue is patched in commit 91478f5. As a workaround, ensure that the Content Security Policy is enabled and monitor any posts that contain bbcode.

References

discourse/discourse-bbcode commit 91478f5 · Patch
discourse/discourse-bbcode security advisory · Exploit

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