Description
An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. It can expose suppressed information for log events. (The log_deleted attribute is not respected.)
References (1)
Core 1
Core References
Issue Tracking, Vendor Advisory
https://phabricator.wikimedia.org/T326865
Scores
CVSS v3
7.5
EPSS
0.0038
EPSS Percentile
59.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-200
Status
published
Products (1)
mediawiki/mediawiki
< 1.42.1
Published
Jul 07, 2024
Tracked Since
Feb 18, 2026