{"id":"CVE-2023-37302","aliases":["BIT-mediawiki-2023-37302","EUVD-2023-1786","GHSA-fmrf-p77g-vv5c","UBUNTU-CVE-2023-37302"],"status":"published","title":"MediaWiki Cross-site Scripting vulnerability","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":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00689,"percentile":0.53037,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2023-06-30T00:00:00Z","modified":"2026-10-28T02:30:24Z","fixes":[{"ecosystem":"Bitnami","package":"mediawiki","fixed_in":["1.39.4"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"wikibase/wikibase","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.39.3"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"mediawiki","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.39.4"}]}]},{"source":"osv","ecosystem":"Packagist","package":"wikibase/wikibase","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.39.3"}]}]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.27.3-1","1:1.27.4-1","1:1.27.4-2","1:1.27.4-3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.31.2-1ubuntu1","1:1.31.5-1","1:1.31.5-1ubuntu1","1:1.31.5-2","1:1.31.5-3","1:1.31.5-3ubuntu1","1:1.31.6-1","1:1.31.7-1","1:1.31.7-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.35.3-1","1:1.35.4-1","1:1.35.5-1","1:1.35.5-1ubuntu1","1:1.35.5-1ubuntu2","1:1.35.5-1ubuntu3","1:1.35.6-1","1:1.35.6-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.39.4-2","1:1.39.5-1","1:1.39.6-1","1:1.39.7-1","1:1.39.7-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.43.1+dfsg-1","1:1.43.1+dfsg-2","1:1.43.3+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.43.8+dfsg-2","1:1.43.9+dfsg-1","1:1.43.9+dfsg-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.43.3+dfsg-1","1:1.43.5+dfsg-1","1:1.43.6+dfsg-2","1:1.43.8+dfsg-1","1:1.43.8+dfsg-2"]}],"products":[{"vendor":"mediawiki","product":"mediawiki"}],"references":[{"url":"https://phabricator.wikimedia.org/T339111","tags":["x_transferred","Exploit","Issue Tracking","Patch","Vendor Advisory","web","report"]},{"url":"https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/933649","tags":["x_transferred","Release Notes","Vendor Advisory","web","report"]},{"url":"https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/933650","tags":["x_transferred","Release Notes","Vendor Advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-37302","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-fmrf-p77g-vv5c"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/37xxx/CVE-2023-37302.json","tags":["advisory"]},{"url":"https://github.com/wikimedia/mediawiki","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2023-37302","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-37302","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-37302","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).","status":"published","published":"2023-06-30T00:00:00Z","modified":"2024-11-26T16:44:49.293Z","updated_at":"2026-11-02T14:35:16.126506Z"}],"euvd":[{"id":"EUVD-2023-1786","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).","status":"published","published":"2023-06-30T00:00:00Z","modified":"2024-11-26T16:44:49Z","updated_at":"2026-11-03T00:04:46.610778Z"}],"ghsa":[{"id":"GHSA-fmrf-p77g-vv5c","title":"MediaWiki Cross-site Scripting vulnerability","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).","status":"published","published":"2023-06-30T18:31:02Z","modified":"2023-11-11T05:02:48Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:37:20.311836Z"}],"nvd":[{"id":"CVE-2023-37302","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).","status":"published","published":"2023-06-30T17:15:09.573Z","modified":"2026-06-17T06:07:55.547Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:14.715708Z"}],"osv":[{"id":"GHSA-fmrf-p77g-vv5c","title":"MediaWiki Cross-site Scripting vulnerability","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).","status":"published","published":"2023-06-30T18:31:02Z","modified":"2023-12-06T01:03:07.822659Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:46.760785Z"},{"id":"UBUNTU-CVE-2023-37302","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).","status":"published","published":"2023-06-30T17:15:00Z","modified":"2026-10-17T12:56:24.840748658Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:54:21.882004Z"},{"id":"BIT-mediawiki-2023-37302","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).","status":"published","published":"2024-03-06T10:59:59.467Z","modified":"2025-04-03T14:40:37.652Z","updated_at":"2026-11-02T15:28:33.072289Z"},{"id":"CVE-2023-37302","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).","status":"published","published":"2023-06-30T00:00:00Z","modified":"2026-10-28T02:30:24.445518916Z","updated_at":"2026-11-02T15:44:32.510144Z"}]}}