Discourse BBCode plugin vulnerable to arbitrary CSS injection
Published Nov 30, 2022
9.8
CRITICALCVSS 3.1
EPSS 1.19%
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.
Affected products
-
Affected
- <
Default status is the baseline for the product. Each version can override it (patched versions can be marked unaffected).
| Vendor | Product | Default status | Versions |
|---|---|---|---|
| Discourse | Discourse-Bbcode | unknown | Affected
|
- < 2022-11-30
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (3)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-48993 Advisory
- https://github.com/discourse/discourse-bbcode/commit/91478f5cfecdcc43cf85b997168a8ecfd0f8df90 PatchThird Party Advisory
- https://github.com/discourse/discourse-bbcode/security/advisories/GHSA-8c87-xpqv-c7mp ExploitVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-48993 | Advisory | |
| https://github.com/discourse/discourse-bbcode/commit/91478f5cfecdcc43cf85b997168a8ecfd0f8df90 | PatchThird Party Advisory | |
| https://github.com/discourse/discourse-bbcode/security/advisories/GHSA-8c87-xpqv-c7mp | ExploitVendor Advisory |
Change history (0)
No recorded changes yet.
CVE.org / MITRE
CISA Vulnrichment
Red Hat
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GitHub
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