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    CVE-2025-56515

    File upload vulnerability in Fiora chat application 1.0.0 through user avatar upload functionality. The application fails to validate SVG file content, allowing malicious SVG files with embedded foreignObject elements containing iframe tags and JavaScript event handlers (onmouseover) to be uploaded and stored. When rendered, these SVG files execute arbitrary JavaScript, enabling attackers to steal user sessions, cookies, and perform unauthorized actions in the context of users viewing affected profiles.

    Published:Oct 1, 2025
    Last Modified:Oct 15, 2025
    EPS:Oct 1, 2025
    EPSS Score:0.00015
    CVSS Score:8.8

    Affected Products

    Vendor
    Suisuijiang
    Product
    Fiora

    Exploits

    https://github.com/Kov404/CVE-2025-56515/tree/mainhttps://github.com/Kov404/CVE-2025-56515

    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