CVE-2024-34500
MEDIUM6.1EPSS 0.30%MediaWiki UnlinkedWikibase Cross-site Scripting vulnerability
Published: 5/5/2024Modified: 11/4/2025
Description
An issue was discovered in the UnlinkedWikibase extension in MediaWiki before 1.42.0. 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 packages (2)
- Bitnami/mediawikifrom 0, < 1.41.1
- Packagist/samwilson/unlinked-wikibasefrom 0, < 1.42.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
References (9)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2024-34500
- PATCHhttps://gerrit.wikimedia.org/r/mediawiki/extensions/UnlinkedWikibase.git
- WEBhttps://gerrit.wikimedia.org/r/c/mediawiki/extensions/UnlinkedWikibase/+/1002175
- WEBhttps://github.com/github/advisory-database/pull/5310
- WEBhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY
- WEBhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
- WEBhttps://lists.fedoraproject.org/archives/list/[email protected]/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY
- WEBhttps://lists.fedoraproject.org/archives/list/[email protected]/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
- WEBhttps://phabricator.wikimedia.org/T357203