CVE-2026-30917 — Stored XSS on Bucket namespace pages
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,…
Published: 2026-03-09 · CVSS: 8.8 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7