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    CVE-2026-4973

    A vulnerability was detected in SourceCodester Online Quiz System up to 1.0. Affected by this vulnerability is an unknown functionality of the file endpoint/add-question.php. Performing a manipulation of the argument quiz_question results in cross site scripting. It is possible to initiate the attack remotely. The exploit is now public and may be used.

    Published:Mar 27, 2026
    Last Modified:Apr 24, 2026
    EPS:Mar 27, 2026
    EPSS Score:0.00031
    CVSS Score:3.5

    Affected Products

    Vendor
    Sourcecodester
    Product
    Online Quiz System

    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