What is CVE-2022-46162?

CVE-2022-46162 is a high-severity vulnerability in Discourse Discourse-Bbcode, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.8/10. Published 2022-11-30.

How severe is CVE-2022-46162?

High severity. CVSS v3 base score is 8.8 out of 10.

XSS in Discourse Discourse-Bbcode

CVE-2022-46162

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.

EPSS: 0.011 (63.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Discourse Discourse-bbcode — versions < 91478f5cfecdcc43cf85b997168a8ecfd0f8df90
Discourse Discourse_bbcode

Weakness classification (CWE)

References

security-advisories@github.com (Exploit, Vendor Advisory)
security-advisories@github.com (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-46162?: CVE-2022-46162 is a high-severity vulnerability in Discourse Discourse-Bbcode, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.8/10. Published 2022-11-30.
How severe is CVE-2022-46162?: High severity. CVSS v3 base score is 8.8 out of 10.