CVE-2019-25376: Opnsense

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted payloads through the ignoreLogACL parameter. Attackers can send POST requests to the proxy endpoint with JavaScript code in the ignoreLogACL parameter to execute arbitrary scripts in users' browsers.

Affected products

• Opnsense Opnsense: version 19.1 only

Published 2026-02-15. Last modified 2026-06-17.