Description
An issue was discovered in the CheckUser extension through 1.35.0 for MediaWiki. Oversighted edit summaries are still visible in CheckUser results in violation of MediaWiki's permissions model.
References (2)
Core 2
Core References
Permissions Required x_refsource_misc
https://phabricator.wikimedia.org/T207094
Patch, Vendor Advisory x_refsource_confirm
https://phabricator.wikimedia.org/rECHU22ddd638ba79903361df88c755232a532cbdbfb3
Scores
CVSS v3
5.3
EPSS
0.0018
EPSS Percentile
39.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Details
Status
published
Products (1)
mediawiki/checkuser
< 1.35
Published
Mar 19, 2020
Tracked Since
Feb 18, 2026