Improper Privilege Management Affecting mediawiki package, versions <1:1.35.2-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.23% (65th percentile)

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  • Snyk IDSNYK-ECHOLATEST-MEDIAWIKI-20414305
  • published3 Oct 2026
  • disclosed9 Apr 2021

Introduced: 9 Apr 2021

CVE-2021-30152  (opens in a new tab)
CWE-269  (opens in a new tab)

How to fix?

Upgrade Echo:latest 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 Echo. See How to fix? for Echo:latest relevant fixed versions and status.

An issue was discovered in MediaWiki before 1.31.13 and 1.32.x through 1.35.x before 1.35.2. When using the MediaWiki API to "protect" a page, a user is currently able to protect to a higher level than they currently have permissions for.

CVSS Base Scores

version 3.1