Vulnerability · Published Apr 15, 2023 · Assigned by mitre
CVE-2021-30153
Medium 4.3
In plain English
A medium-severity security flaw in the mediawiki package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mediawiki | 1:1.35.2-1 | DEBIAN-CVE-2021-30153 |
| Debian:13 | mediawiki | 1:1.35.2-1 | DEBIAN-CVE-2021-30153 |
| Debian:14 | mediawiki | 1:1.35.2-1 | DEBIAN-CVE-2021-30153 |
Affected products (as reported)
Weakness: CWE-668 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N