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    CVE-2026-40472

    In hackage-server, user-controlled metadata from .cabal files are rendered into HTML href attributes without proper sanitization, enabling stored Cross-Site Scripting (XSS) attacks.

    Published:Apr 23, 2026
    Last Modified:Apr 28, 2026
    EPS:Apr 23, 2026
    EPSS Score:0.00046
    CVSS Score:9.9

    Affected Products

    Vendor
    Hackage-server
    Product
    Hackage-server

    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