Description
An issue was discovered in MediaWiki before 1.35.8, 1.36.x and 1.37.x before 1.37.5, and 1.38.x before 1.38.3. Upon an action=rollback operation, the alreadyrolled message can leak a user name (when the user has been revision deleted/suppressed).
References (1)
Core 1
Core References
Exploit, Issue Tracking, Patch
https://phabricator.wikimedia.org/T307278
Scores
CVSS v3
4.3
EPSS
0.0007
EPSS Percentile
20.7%
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-732
Status
published
Products (1)
mediawiki/mediawiki
< 1.35.8
Published
May 29, 2023
Tracked Since
Feb 18, 2026