CVE-2021-44856
Fixed in a distro release EPSS <1%CVSS 5.3
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.
Products: mediawiki
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Arch Linux | mediawiki | 1.38.3-1 |
| Debian 10 | mediawiki | 1:1.31.16-1+deb10u3 |
| Debian 11 | mediawiki | 1:1.35.8-1~deb11u1 |
| Debian 12 | mediawiki | 1:1.35.5-1 |
| Debian 13 | mediawiki | 1:1.35.5-1 |
| Debian 14 | mediawiki | 1:1.35.5-1 |
| Ubuntu 18.04 LTS | mediawiki | no fix |
| Ubuntu Pro 20.04 LTS | mediawiki | no fix |