CVE-2021-41801

HIGH

MediaWiki ReplaceText extension through 1.41 - Incorrect Access Control

Title source: llm
STIX 2.1

Description

The ReplaceText extension through 1.41 for MediaWiki has Incorrect Access Control. When a user is blocked after submitting a replace job, the job is still run, even if it may be run at a later time (due to the job queue backlog)

References (2)

Core 2
Core References
Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://phabricator.wikimedia.org/T279090

Scores

CVSS v3 8.8
EPSS 0.0038
EPSS Percentile 59.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (1)
mediawiki/mediawiki < 1.31.16
Published Oct 11, 2021
Tracked Since Feb 18, 2026