Security Advisory

CVE-2026-26352

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-30 16:49:16

Last updated 2026-05-25 23:41:46

Assigner VulnCheck

State PUBLISHED

Description

Smoothwall Express versions prior to 3.1 Update 13 contain a stored cross-site scripting vulnerability in the /cgi-bin/vpnmain.cgi script due to improper sanitation of the VPN_IP parameter. Authenticated attackers can inject arbitrary JavaScript through VPN configuration settings that executes when the affected page is viewed by other users.

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