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    CVE-2026-66917

    Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.

    Published:Aug 22, 2026
    Last Modified:Aug 24, 2026
    EPS:Aug 22, 2026
    EPSS Score:0.00466
    CVSS Score:8.6

    Affected Products

    Vendor
    Joomgalleryfriends.net
    Product
    Joomgallery Extension For Joomla

    Exploits

    https://github.com/toanln-cov/CVE-2026-66917

    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