# CVE-2021-30153: mediawiki: An issue was discovered in the VisualEditor extension in MediaWiki before 1.31.13, and 1.32.x through 1.35.x before 1...

CVE-2021-30153 is fixed in mediawiki on 1 platform, first by DEBIAN-CVE-2021-30153, released April 15, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-30153
- Priority: Routine
- CVSS: 4.3 (medium)
- EPSS: 0.0084
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 15, 2023

## Description

An issue was discovered in the VisualEditor extension in MediaWiki before 1.31.13, and 1.32.x through 1.35.x before 1.35.2. . When using VisualEditor to edit a MediaWiki user page belonging to an existing, but hidden, user, VisualEditor will disclose that the user exists. (It shouldn't because they are hidden.) This is related to ApiVisualEditor.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | mediawiki Debian 12.15 (bookworm) | 1:1.35.2-1 | [DEBIAN-CVE-2021-30153](https://patchblox.com/security/data/fix/linux/debian-cve-2021-30153.md) | Apr 15, 2023 |
| Linux | mediawiki Debian 13.5 (trixie) | 1:1.35.2-1 | [DEBIAN-CVE-2021-30153](https://patchblox.com/security/data/fix/linux/debian-cve-2021-30153.md) | Apr 15, 2023 |
| Linux | mediawiki Debian 14 | 1:1.35.2-1 | [DEBIAN-CVE-2021-30153](https://patchblox.com/security/data/fix/linux/debian-cve-2021-30153.md) | Apr 15, 2023 |

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