High severityNVD Advisory· Published Mar 10, 2026· Updated Apr 16, 2026

CVE-2026-30917

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Weirdgloop/Mediawiki Extensions Bucketreferences2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: <2.1.1

Patches

Vulnerability mechanics

References

github.com/weirdgloop/mediawiki-extensions-Bucket/commit/46ec08876ba9064987f20e8f42690854202a73ffnvd
github.com/weirdgloop/mediawiki-extensions-Bucket/commit/cba9cf9c8751e9f3e6d559f44cadc39b84f7bff6nvd
github.com/weirdgloop/mediawiki-extensions-Bucket/security/advisories/GHSA-8jrp-37wc-5v7cnvd

News mentions

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cvss	0.455
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000