CVE Feed

    Dashboard / CVE / CVE-2019-25377

    CVE-2019-25377

    OPNsense 19.1 contains a reflected cross-site scripting vulnerability in the system_advanced_sysctl.php endpoint that allows attackers to inject malicious scripts via the value parameter. Attackers can craft POST requests with script payloads in the value parameter to execute JavaScript in the context of authenticated user sessions.

    Published:Feb 15, 2026
    Last Modified:Mar 5, 2026
    EPS:Feb 15, 2026
    EPSS Score:0.00009
    CVSS Score:5.4

    Affected Products

    Vendor
    Opnsense
    Product
    Opnsense

    Exploits

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

    Related CVEs

    CVE-2026-49132 (CVSS 5.1) — OPNsense before 26.1.9 contains a stored cross-site scripting vulnerability that allows authenticated attacker…
    CVE-2026-49131 (CVSS 5.1) — OPNsense before 26.1.9 contains a stored cross-site scripting vulnerability that allows authenticated attacker…
    CVE-2026-45158 (CVSS 9.1) — OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, unsanitized user input is passed t…
    CVE-2026-44194 (CVSS 9.1) — OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, an authenticated Remote Code Execu…
    CVE-2026-44195 (CVSS 5.3) — OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.7, a logic flaw in the OPNsense locko…
    CVE-2026-44193 (CVSS 9.1) — OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.7, the XMLRPC method opnsense.restore…
    CVE-2026-34578 (CVSS 8.2) — OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.6, OPNsense's LDAP authentication con…
    CVE-2026-30868 (CVSS 6.3) — OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.4, multiple OPNsense MVC API endpoint…
    CVE-2019-25376 (CVSS 5.1) — OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to…
    CVE-2019-25375 (CVSS 5.1) — OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to…

    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