Bug 2156326 (CVE-2021-44856)

Summary: CVE-2021-44856 mediawiki: Title blocked in AbuseFilter can be created via Special:ChangeContentModel due to the mishandling of EditFilterMergedContent hook return value
Product: [Other] Security Response Reporter: Avinash Hanwate <ahanwate>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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Last Closed: 2022-12-27 08:00:57 UTC Type: ---
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Bug Depends On: 2156327    
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Description Avinash Hanwate 2022-12-26 12:32:20 UTC
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. A title blocked by AbuseFilter can be created via Special:ChangeContentModel due to the mishandling of the EditFilterMergedContent hook return value.

https://phabricator.wikimedia.org/T271037

Comment 1 Avinash Hanwate 2022-12-26 12:32:39 UTC
Created mediawiki tracking bugs for this issue:

Affects: fedora-all [bug 2156327]

Comment 2 Product Security DevOps Team 2022-12-27 08:00:55 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-44856