CVE

CVE-2026-27508

Smoothwall Express versions prior to 3.1 Update 13 contain a reflected cross-site scripting vulnerability in the /redirect.cgi endpoint due to improper sanitation of the url parameter. Attackers can craft malicious URLs with javascript: schemes that execute arbitrary JavaScript in victims' browsers when clicked through the unsanitized link.

Severity

MEDIUM

CVSS

5.1

Published

Mar 30, 2026

Modified

Jun 17, 2026