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    CVE-2025-66823

    An HTML Injection vulnerability in TrueConf server 5.5.2.10813 in the conference description field allows an attacker to inject arbitrary HTML in the Create/Edit conference functionality. The payload will be triggered when the victim opens the Conference Info page ([conference url]/info).

    Published:Dec 30, 2025
    Last Modified:Aug 20, 2026
    EPS:Dec 30, 2025
    EPSS Score:0.00169
    CVSS Score:3.5

    Affected Products

    Vendor
    Trueconf
    Product
    Server
    Vendor
    Trueconf
    Product
    Trueconf Server

    Exploits

    https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66823/README.mdhttps://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66823/README.md

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    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