Moderate severityNVD Advisory· Published May 5, 2024· Updated Nov 4, 2025
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
3- 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
9- github.com/advisories/GHSA-wcx3-63mm-h8x6ghsaADVISORY
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/mitrevendor-advisory
- nvd.nist.gov/vuln/detail/CVE-2024-34500ghsaADVISORY
- gerrit.wikimedia.org/r/c/mediawiki/extensions/UnlinkedWikibase/+/1002175ghsaWEB
- 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/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISYghsaWEB
- phabricator.wikimedia.org/T357203ghsaWEB
News mentions
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