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    CVE-2026-103443

    Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Collection (Book) extension allows XSS Targeting Non-Script Elements. This issue affects MediaWiki Collection (Book) extension: 1.46, 1.45, and 1.43.

    Published:Sep 30, 2026
    Last Modified:Sep 30, 2026
    EPS:Sep 30, 2026
    EPSS Score:
    CVSS Score:1.1

    Affected Products

    Vendor
    Wikimedia
    Product
    Mediawiki-collection (book) Extension

    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