CVE-2021-31546

MEDIUM

Mediawiki < 1.35.2 - Log Information Exposure

Title source: rule
STIX 2.1

Description

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. It incorrectly logged sensitive suppression deletions, which should not have been visible to users with access to view AbuseFilter log data.

References (2)

Core 2
Core References
Third Party Advisory x_refsource_misc
https://phabricator.wikimedia.org/T71617
Issue Tracking, Third Party Advisory x_refsource_misc
https://gerrit.wikimedia.org/r/q/I38a0a24fa32ca7a052b6940864a32b3856e84553

Scores

CVSS v3 4.3
EPSS 0.0011
EPSS Percentile 29.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-532
Status published
Products (1)
mediawiki/mediawiki < 1.35.2
Published Apr 22, 2021
Tracked Since Feb 18, 2026