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    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.

    Published:Mar 9, 2026
    Last Modified:Apr 18, 2026
    EPS:Mar 9, 2026
    EPSS Score:0.00064
    CVSS Score:8.8

    Affected Products

    Vendor
    Weirdgloop
    Product
    Mediawiki-extensions-bucket

    Exploits

    No exploit reference

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High