XSS vulnerability in MediaWiki's UnlinkedWikibase extension
CVE-2024-34500

6.1MEDIUM

Key Information:

Vendor

MediaWiki
Status
Mediawiki
Vendor
CVE Published:
5 May 2024

What is 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.

References

https://phabricator.wikimedia.org/T357203
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Unl...
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisory

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.