{"id":"GHSA-fmrf-p77g-vv5c","aliases":["BIT-mediawiki-2023-37302","CVE-2023-37302"],"title":"MediaWiki Cross-site Scripting vulnerability","titleSource":"OSV","descriptionSource":"OSV","declaredSeverity":"MODERATE","description":"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).","severity":"medium","score":6.1,"published":"2023-06-30T18:31:02.000Z","modified":"2023-12-06T01:03:07.822Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"wikibase/wikibase","sources":[{"name":"OSV · GHSA-fmrf-p77g-vv5c","url":"https://osv.dev/vulnerability/GHSA-fmrf-p77g-vv5c"}],"ranges":[{"events":[{"introduced":"0"},{"last_affected":"1.39.3"}],"type":"ECOSYSTEM"}],"versions":[],"fixed":[]}],"sourceAffected":[],"references":["https://nvd.nist.gov/vuln/detail/CVE-2023-37302","https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/933649","https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/933650","https://github.com/wikimedia/mediawiki","https://phabricator.wikimedia.org/T339111"],"sources":[{"name":"OSV","id":"GHSA-fmrf-p77g-vv5c","modified":"2023-12-06T01:03:07.822659Z","url":"https://osv.dev/vulnerability/GHSA-fmrf-p77g-vv5c"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1}],"products":[],"remediation":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T21:55:33.923Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}