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)
Scores
CVSS v3
4.3
EPSS
0.0014
EPSS Percentile
34.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-532
Status
published
Products (1)
mediawiki/mediawiki
< 1.42.1
Published
Jul 07, 2024
Tracked Since
Feb 18, 2026