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

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.07% (28th percentile)
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NVD
4.3 medium

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  • Snyk ID SNYK-DEBIAN11-MEDIAWIKI-1244645
  • published 10 Apr 2021
  • disclosed 15 Apr 2023
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Introduced: 10 Apr 2021

CVE-2021-30153 Open this link in a new tab
CWE-668 Open this link in a new tab

How to fix?

Upgrade Debian:11 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:11 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.