CVE-2021-44856
MEDIUM5.3EPSS 0.17%mediawiki - security update
Published: 12/26/2022Modified: 4/28/2026
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.
Affected packages (3)
- Bitnami/mediawikifrom 0, < 1.35.5, >= 1.36.0, < 1.36.3, >= 1.37.0, < 1.37.1
- Debian/mediawikifrom 0, < 1:1.35.8-1~deb11u1
- Debian/mediawikifrom 0, < 1:1.31.16-1+deb10u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |