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CVE

CVE-2026-30917

Stored XSS on Bucket namespace pages
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CVE

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.8
-
4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30917.json, https://github.com/weirdgloop/mediawiki-extensions-Bucket/security/advisories/GHSA-8jrp-37wc-5v7c, https://nvd.nist.gov/vuln/detail/CVE-2026-30917, https://github.com/weirdgloop/mediawiki-extensions-Bucket/commit/46ec08876ba9064987f20e8f42690854202a73ff, https://github.com/weirdgloop/mediawiki-extensions-Bucket/commit/cba9cf9c8751e9f3e6d559f44cadc39b84f7bff6

Severity

0

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
0
EPSS Probability
0.00067%
EPSS Percentile
0.20496%
Introduced Version
0
Fix Available
46ec08876ba9064987f20e8f42690854202a73ff,cba9cf9c8751e9f3e6d559f44cadc39b84f7bff6

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