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, which will execute whenever a user views that table's corresponding Bucket namespace page. This vulnerability is fixed ...

CVE-2026-30917

Bucket is a MediaWiki extension for structured data. Before version 2.1.1, there is a stored XSS in any Bucket table field with a PAGE type that executes when users view the corresponding Bucket namespace page. The issue is fixed in 2.1.1. Affected software: MediaWiki Bucket extension; vulnerable...