# CVE-2022-34912: mediawiki: An issue was discovered in MediaWiki before 1.37.3 and 1.38.x before 1.38.1

CVE-2022-34912 is fixed in mediawiki on 1 platform, first by DEBIAN-CVE-2022-34912, released July 2, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-34912
- Priority: Routine
- CVSS: 6.1 (medium)
- EPSS: 0.0110
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 2, 2022

## Description

An issue was discovered in MediaWiki before 1.37.3 and 1.38.x before 1.38.1. The contributions-title, used on Special:Contributions, is used as page title without escaping. Hence, in a non-default configuration where a username contains HTML entities, it won't be escaped.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | mediawiki Debian 12.15 (bookworm) | 1:1.35.7-1 | [DEBIAN-CVE-2022-34912](https://patchblox.com/security/data/fix/linux/debian-cve-2022-34912.md) | Jul 2, 2022 |
| Linux | mediawiki Debian 13.5 (trixie) | 1:1.35.7-1 | [DEBIAN-CVE-2022-34912](https://patchblox.com/security/data/fix/linux/debian-cve-2022-34912.md) | Jul 2, 2022 |
| Linux | mediawiki Debian 14 | 1:1.35.7-1 | [DEBIAN-CVE-2022-34912](https://patchblox.com/security/data/fix/linux/debian-cve-2022-34912.md) | Jul 2, 2022 |

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