Exposure of Resource to Wrong Sphere Affecting mediawiki package, versions <1:1.35.2-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.14% (50th percentile)

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  • Snyk IDSNYK-DEBIAN12-MEDIAWIKI-1553971
  • published10 Apr 2021
  • disclosed15 Apr 2023

Introduced: 10 Apr 2021

CVE-2021-30153  (opens in a new tab)
CWE-668  (opens in a new tab)

How to fix?

Upgrade Debian:12 mediawiki to version 1:1.35.2-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mediawiki package and not the mediawiki package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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.

CVSS Scores

version 3.1