CVE-2024-34500: An issue was discovered in the UnlinkedWikibase extension in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1. XSS can occur through an…

PriorityP423medium6.1CVSS 3.1

AVNACLPRNUIRSCCLILAN

EPSS

0.47%

38.5th percentile

An issue was discovered in the UnlinkedWikibase extension in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1. XSS can occur through an interface message. Error messages (in the $err var) are not escaped before being passed to Html::rawElement() in the getError() function in the Hooks class.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
fedoraproject	fedora	—	—
mediawiki	mediawiki	< 1.39.6	1.39.6
mediawiki	mediawiki	>= 1.40.0 < 1.40.2	1.40.2
mediawiki	mediawiki	>= 1.41.0 < 1.41.1	1.41.1
samwilson	unlinked-wikibase	>= 0 < 1.42.0	1.42.0

CVSS provenance

nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

vendor_redhat6.1MEDIUM

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