CVE-2019-25375 – OPNsense 19.1 Reflected XSS via monit interface

CVE ID : CVE-2019-25375

Published : Feb. 15, 2026, 2:16 p.m. | 16 minutes ago

Description : OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted input to the mailserver parameter. Attackers can send POST requests to the monit interface with JavaScript payloads in the mailserver parameter to execute arbitrary code in users’ browsers.

Severity: 6.1 | MEDIUM

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