VULNERABILITY INTELLIGENCE

CVE-2021-44856

CVSS score5.3 MEDIUM

EPSS probability0.53%

CISA KEVNot currently listed

Published2022-12-26

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

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.

Weakness classification

nvd@nist.gov: CWE-754
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-754

Primary references

cve@mitre.org — Issue Tracking, Patch, Vendor Advisory
cve@mitre.org
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108