CVE-2022-46162
CVE-2022-46162 is a high-severity vulnerability in Discourse Discourse Bbcode with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 1% (63rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Discourse Discourse Bbcode
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2022-46162?
- CVE-2022-46162 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-46162 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-46162?
- CVE-2022-46162 affects Discourse Discourse Bbcode. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-46162?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-46162 published?
- CVE-2022-46162 was published on 2022-11-30 and last updated on 2026-06-17.
References
- https://github.com/discourse/discourse-bbcode/commit/91478f5cfecdcc43cf85b997168a8ecfd0f8df90
- https://github.com/discourse/discourse-bbcode/security/advisories/GHSA-8c87-xpqv-c7mp
Affected products (1)
- cpe:2.3:a:discourse:discourse_bbcode:*:*:*:*:*:discourse:*:*
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