CVE-2021-44856

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CVSS 3.1

5.3 medium

EPSS

<1%p41

Published

Dec 26, 2022 (Dec 26, 2022)

Modified

Jun 17, 2026

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.

Vendors: mediawiki
Products: mediawiki
Weakness: CWE-754
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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