FKIE_CVE-2019-25369

Vulnerability from fkie_nvd - Published: 2026-02-15 14:16 - Updated: 2026-02-18 19:15
Severity ?
6.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
OPNsense 19.1 contains a stored cross-site scripting vulnerability in the system_advanced_sysctl.php endpoint that allows attackers to inject persistent malicious scripts via the tunable parameter. Attackers can submit POST requests with script payloads that are stored and executed in the context of authenticated user sessions when the page is viewed.
References
disclosure@vulncheck.comhttps://forum.opnsense.org/index.php?topic=11469.0Release Notes
disclosure@vulncheck.comhttps://opnsense.orgProduct
disclosure@vulncheck.comhttps://www.exploit-db.com/exploits/46351Exploit, Third Party Advisory, VDB Entry
disclosure@vulncheck.comhttps://www.vulncheck.com/advisories/opnsense-stored-xss-via-systemadvancedsysctlphpBroken Link
Impacted products
Vendor Product Version
opnsense opnsense 19.1
To clipboard 

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  "descriptions": [
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      "value": "OPNsense 19.1 contains a stored cross-site scripting vulnerability in the system_advanced_sysctl.php endpoint that allows attackers to inject persistent malicious scripts via the tunable parameter. Attackers can submit POST requests with script payloads that are stored and executed in the context of authenticated user sessions when the page is viewed."
    },
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      "value": "OPNsense 19.1 contiene una vulnerabilidad de cross-site scripting almacenado en el endpoint system_advanced_sysctl.php que permite a los atacantes inyectar scripts maliciosos persistentes a trav\u00e9s del par\u00e1metro tunable. Los atacantes pueden enviar solicitudes POST con cargas \u00fatiles de script que se almacenan y ejecutan en el contexto de sesiones de usuario autenticadas cuando se visualiza la p\u00e1gina."
    }
  ],
  "id": "CVE-2019-25369",
  "lastModified": "2026-02-18T19:15:41.980",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
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          "Recovery": "NOT_DEFINED",
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          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.1,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
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          "privilegesRequired": "LOW",
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          "subConfidentialityImpact": "LOW",
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          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
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          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
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          "value": "CWE-79"
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}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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