CVE-2019-25377 — OPNsense 19.1 Reflected XSS via system_advanced_sysctl.php
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 …
Published: 2026-02-15 · CVSS: 4.8 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7