CVE-2023-45362

Medium

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.

SeverityMedium

CVSS4.3

Exploit probability—

Product

Mediawiki

PublishedNov 3, 2023

First seenNov 3, 2023

How to fix

Update

mediawiki mediawiki1.35.12, 1.39.5 or later

Vendor advisories

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/

Affected products

Product	Affected versions	Fixed in
mediawiki mediawiki	v < 1.35.12, 1.36.0 ≤ v < 1.39.5, 1.40.0	1.35.12, 1.39.5

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