# CVE-2023-36675: mediawiki: An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4

CVE-2023-36675 is fixed in mediawiki on 1 platform, first by DEBIAN-CVE-2023-36675, released June 26, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-36675
- Priority: Routine
- CVSS: 6.1 (medium)
- EPSS: 0.0083
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 26, 2023

## Description

An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | mediawiki Debian 12.15 (bookworm) | 1:1.39.4-1~deb12u1 | [DEBIAN-CVE-2023-36675](https://patchblox.com/security/data/fix/linux/debian-cve-2023-36675.md) | Jun 26, 2023 |
| Linux | mediawiki Debian 13.5 (trixie) | 1:1.39.4-1 | [DEBIAN-CVE-2023-36675](https://patchblox.com/security/data/fix/linux/debian-cve-2023-36675.md) | Jun 26, 2023 |
| Linux | mediawiki Debian 14 | 1:1.39.4-1 | [DEBIAN-CVE-2023-36675](https://patchblox.com/security/data/fix/linux/debian-cve-2023-36675.md) | Jun 26, 2023 |

---

Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
