CVE-2019-25371 — OPNsense 19.1 Reflected XSS via diag_ping.php
OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by exploiting insufficient input validati…
Published: 2026-02-15 · CVSS: 5.1 · CVSS 4.0
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 POST requests to the diag_ping.php endpoint with script payloads in the host parameter to execute arbitrary JavaScript in users' browsers.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7