Medium severity6.1NVD Advisory· Published May 5, 2024· Updated Jun 17, 2026
CVE-2024-34500
CVE-2024-34500
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
samwilson/unlinked-wikibasePackagist | < 1.42.0 | 1.42.0 |
Affected products
5- cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
- MediaWiki/MediaWiki UnlinkedWikibasedescription
- osv-coords2 versions
< 1.41.1+ 1 more
- (no CPE)range: < 1.41.1
- (no CPE)range: < 1.42.0
Patches
Vulnerability mechanics
References
10- gerrit.wikimedia.org/r/c/mediawiki/extensions/UnlinkedWikibase/+/1002175nvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-wcx3-63mm-h8x6ghsaADVISORY
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/nvdThird Party Advisory
- nvd.nist.gov/vuln/detail/CVE-2024-34500ghsaADVISORY
- phabricator.wikimedia.org/T357203nvdIssue TrackingVendor AdvisoryWEB
- gerrit.wikimedia.org/r/mediawiki/extensions/UnlinkedWikibase.gitghsaPACKAGE
- github.com/github/advisory-database/pull/5310ghsaWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISYghsaWEB
- lists.fedoraproject.org/archives/list/[email protected]/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISYghsaWEB
- lists.fedoraproject.org/archives/list/[email protected]/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/nvd
News mentions
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