CVE-2023-45362
MEDIUMMediaWiki < 1.35.12, 1.36.x-1.39.x < 1.39.5, 1.40.x < 1.40.1 - Information Disclosure via diff-multi-sameuser
Title source: llmDescription
An issue was discovered in DifferenceEngine.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. diff-multi-sameuser (aka "X intermediate revisions by the same user not shown") ignores username suppression. This is an information leak.
References (4)
Core 4
Core References
Exploit, Issue Tracking, Patch, Vendor Advisory
https://phabricator.wikimedia.org/T341529
Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
Mailing List mailing-list
https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
Scores
CVSS v3
4.3
EPSS
0.0039
EPSS Percentile
60.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Details
Status
published
Products (2)
mediawiki/mediawiki
1.40.0 (2 CPE variants)
mediawiki/mediawiki
< 1.35.12
Published
Nov 03, 2023
Tracked Since
Feb 18, 2026