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.
CVE-2022-46162
This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 1.2%, top 21% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EPSS
- 62.6%
- KEV
- Not listed
Published
November 30, 2022
Last Modified
November 21, 2024
References (4)
- security-advisories@githubhttps://github.com/discourse/discourse-bbcode/commit/91478f5cfecdcc43cf85b997168a8ecfd0f8df90
- security-advisories@githubhttps://github.com/discourse/discourse-bbcode/security/advisories/GHSA-8c87-xpqv-c7mp
- af854a3a-2127-422b-91ae-364da2661108https://github.com/discourse/discourse-bbcode/commit/91478f5cfecdcc43cf85b997168a8ecfd0f8df90
- af854a3a-2127-422b-91ae-364da2661108https://github.com/discourse/discourse-bbcode/security/advisories/GHSA-8c87-xpqv-c7mp
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 42× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-12 05:44 UTCEPSS rescore
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- 2026-06-28 12:49 UTCOSV refresh
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- 2026-06-22 14:24 UTCEPSS rescore
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- 2026-06-10 23:09 UTCOSV refresh
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- 2026-05-26 13:43 UTCEPSS rescore
- 2026-05-25 11:23 UTCEG score recompute
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2022-46162?
When was CVE-2022-46162 disclosed?
Is CVE-2022-46162 actively exploited?
What is the CVSS score of CVE-2022-46162?
How do I remediate CVE-2022-46162?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2022-46162
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