{"id":"CVE-2026-30917","summary":"Stored XSS on Bucket namespace pages","details":"Bucket is a MediaWiki extension to store and retrieve structured data on articles. Prior to 2.1.1, a stored XSS can be inserted into any Bucket table field that has a PAGE type, which will execute whenever a user views that table's corresponding Bucket namespace page. This vulnerability is fixed in 2.1.1.","aliases":["GHSA-8jrp-37wc-5v7c"],"modified":"2026-04-02T13:23:49.578641Z","published":"2026-03-09T22:50:20.879Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30917.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-79"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30917.json"},{"type":"ADVISORY","url":"https://github.com/weirdgloop/mediawiki-extensions-Bucket/security/advisories/GHSA-8jrp-37wc-5v7c"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-30917"},{"type":"FIX","url":"https://github.com/weirdgloop/mediawiki-extensions-Bucket/commit/46ec08876ba9064987f20e8f42690854202a73ff"},{"type":"FIX","url":"https://github.com/weirdgloop/mediawiki-extensions-Bucket/commit/cba9cf9c8751e9f3e6d559f44cadc39b84f7bff6"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/weirdgloop/mediawiki-extensions-bucket","events":[{"introduced":"0"},{"fixed":"46ec08876ba9064987f20e8f42690854202a73ff"}]},{"type":"GIT","repo":"https://github.com/weirdgloop/mediawiki-extensions-bucket","events":[{"introduced":"0"},{"fixed":"cba9cf9c8751e9f3e6d559f44cadc39b84f7bff6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-30917.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L"}]}