Description

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.

INFO

Published Date :

2026-02-15T13:58:58.193Z

Last Modified :

2026-02-15T13:58:58.193Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2019-25377 vulnerability.

Vendors Products
Opnsense
  • Opnsense
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2019-25377.

URL Resource
https://forum.opnsense.org/index.php?topic=11469.0 cve-icon cve-icon
https://opnsense.org cve-icon cve-icon
https://www.exploit-db.com/exploits/46351 cve-icon cve-icon
https://www.vulncheck.com/advisories/opnsense-reflected-xss-via-systemadvancedsysctlphp cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact