XSS in Weirdgloop Mediawiki-Extensions-Bucket
CVE-2026-30917
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (22.0th percentile) — read the EPSS interpretation.
Affected products
- Weirdgloop Mediawiki-extensions-bucket — versions < 2.1.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)