CVE-2024-40596

MEDIUM

MediaWiki <1.42.1 - Info Disclosure

Title source: llm

Description

An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. The Special:Investigate feature can expose suppressed information for log events. (TimelineService does not support properly suppressing.)

References (1)

[Issue Tracking] https://phabricator.wikimedia.org/T326866

Scores

CVSS v3 4.3

EPSS 0.0014

EPSS Percentile 34.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Classification

CWE

CWE-532

Status published

Affected Products (1)

mediawiki/mediawiki < 1.42.1

Timeline

Published Jul 07, 2024

Tracked Since Feb 18, 2026