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 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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
mitreCNA
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CISA-ADPADP
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 46%
VendorProductVersion
mediawikimediawiki
𝑥
< 1.39.6
mediawikimediawiki
1.40.0 ≤
𝑥
< 1.40.2
mediawikimediawiki
1.41.0 ≤
𝑥
< 1.41.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/UnlinkedWikibase/+/1002175
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
https://phabricator.wikimedia.org/T357203
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/UnlinkedWikibase/+/1002175
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
https://phabricator.wikimedia.org/T357203