CVE-2026-27508 — Smoothwall Express < 3.1 Update 13 Reflected XSS in redirect.cgi via url Parameter
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 par…
Published: 2026-03-30 · CVSS: 5.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7