CVE-2023-37302

MediumCVSS 6.1

Published: 30/06/2023(UTC)Updated: 17/06/2026(UTC)Translated: 19/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.58%

43th percentile - higher than 43% of all known CVEs

Summary

An issue was discovered in SiteLinksView.php in Wikibase in MediaWiki through version 1.39.3, allowing XSS via a crafted badge title attribute. This is also related to lack of escaping in wbTemplate for quotes that can be in a title attribute.

Risk Assessment

XSS attacks can lead to session hijacking or data theft, posing a serious security threat to the organization.

Recommendation

It is recommended to update MediaWiki to the latest version to eliminate this vulnerability and review the code to ensure proper escaping of attributes in templates.

Original NVD description (English source)

An issue was discovered in SiteLinksView.php in Wikibase in MediaWiki through 1.39.3. There is XSS via a crafted badge title attribute. This is also related to lack of escaping in wbTemplate (from resources/wikibase/templates.js) for quotes (which can be in a title attribute).