Medium, CVSS 5.3PackagistPublished
MediaWiki UnlinkedWikibase Cross-site Scripting vulnerability
CVE-2024-34500 · GHSA-wcx3-63mm-h8x6
- Affected
- Packagist samwilson/unlinked-wikibase < 1.42.0
- Fixed in
- 1.42.0· Vendor fix available
- Issue
- 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.
Recommended action: Upgrade to 1.42.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.