HarborGuard / CVE
Back to search
HIGHCVE-2026-30917Published Modified CNA GitHub_M

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 in 2.1.1.

Metrics

CVSS v4.0
8.8
Severity
HIGH
Fixed in
—
Affected Products
1
Affected packages
  • weirdgloop / mediawiki-extensions-Bucket
    < 2.1.1
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L
References