CVE-2019-25393: Smoothwall Express

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by exploiting insufficient input validation. Attackers can submit POST requests to the smoothinfo.cgi endpoint with script payloads in the WRAP or SECTIONTITLE parameters to execute arbitrary JavaScript in victim browsers.

Affected products

• Smoothwall Smoothwall Express: version 3.1 only

Published 2026-02-16. Last modified 2026-06-17.