CVE-2022-46162

Name: CVE-2022-46162
Creator: NVD / NIST
Published: 2022-11-30T23:15:10.673+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.13%

Last modified Jun 17, 2026

CVE-2022-46162 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.13% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.13%

62.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Discourse	Discourse Bbcode	< 2022-11-30

References

https://github.com/discourse/discourse-bbcode/commit/91478f5cfecdcc43cf85b997168a8ecfd0f8df90Patch, Third Party Advisory
https://github.com/discourse/discourse-bbcode/security/advisories/GHSA-8c87-xpqv-c7mpExploit, Vendor Advisory
https://github.com/discourse/discourse-bbcode/commit/91478f5cfecdcc43cf85b997168a8ecfd0f8df90Patch, Third Party Advisory
https://github.com/discourse/discourse-bbcode/security/advisories/GHSA-8c87-xpqv-c7mpExploit, Vendor Advisory

Timeline

Published: Nov 30, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-46162?

How severe is CVE-2022-46162?

CVE-2022-46162 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.

How do I fix CVE-2022-46162?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-46162?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST