CVE-2023-45362

MEDIUM

MediaWiki < 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: llm
STIX 2.1

Description

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.

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