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    CVE-2025-66470

    NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are subject to a XSS vulnerability through the ui.interactive_image component of NiceGUI. The component renders SVG content using Vue's v-html directive without any sanitization. This allows attackers to inject malicious HTML or JavaScript via the SVG <foreignObject> tag whenever the image component is rendered or updated. This is particularly dangerous for dashboards or multi-user applications displaying user-generated content or annotations. This issue is fixed in version 3.4.0.

    Published:Dec 9, 2025
    Last Modified:Dec 11, 2025
    EPS:Dec 9, 2025
    EPSS Score:0.00029
    CVSS Score:6.1

    Affected Products

    Vendor
    Nicegui
    Product
    Nicegui
    Vendor
    Zauberzeug
    Product
    Nicegui

    Exploits

    https://github.com/zauberzeug/nicegui/security/advisories/GHSA-2m4f-cg75-76w2https://github.com/zauberzeug/nicegui/security/advisories/GHSA-2m4f-cg75-76w2https://github.com/Jmehta10/CVE-2025-66470

    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