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    CVE-2025-15479

    Stored cross-site scripting (XSS, CWE-79) in the survey content and administration functionality in Data Illusion Zumbrunn NGSurvey Enterprise Edition 3.6.4 on all supported platforms ( on Windows and Linux servers ) allows authenticated remote users with survey creation or edit privileges to execute arbitrary JavaScript in other users’ browsers, steal session information and perform unauthorized actions on their behalf via crafted survey content that is rendered without proper output encoding.

    Published:Jan 7, 2026
    Last Modified:Jan 29, 2026
    EPS:Jan 7, 2026
    EPSS Score:0.00168
    CVSS Score:5.4

    Affected Products

    Vendor
    Data Illusion Zumbrunn
    Product
    Ngsurvey
    Vendor
    Ngsurvey
    Product
    Ngsurvey

    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