CVE-2026-30917

EUVD-2026-10426
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
---
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/weirdgloop/mediawiki-extensions-Bucket/commit/46ec08876ba9064987f20e8f42690854202a73ff
https://github.com/weirdgloop/mediawiki-extensions-Bucket/commit/cba9cf9c8751e9f3e6d559f44cadc39b84f7bff6
https://github.com/weirdgloop/mediawiki-extensions-Bucket/security/advisories/GHSA-8jrp-37wc-5v7c