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    CVE-2019-25372

    OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by exploiting insufficient input validation in the host parameter. Attackers can submit crafted payloads through POST requests to diag_traceroute.php to execute arbitrary JavaScript in the context of a user's browser session.

    Published:Feb 15, 2026
    Last Modified:Mar 5, 2026
    EPS:Feb 15, 2026
    EPSS Score:0.00033
    CVSS Score:6.1

    Affected Products

    Vendor
    Opnsense
    Product
    Opnsense

    Exploits

    https://www.exploit-db.com/exploits/46351

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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