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.

INFO

Published Date :

2026-03-30T16:49:16.761Z

Last Modified :

2026-03-30T18:09:05.294Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-26352 vulnerability.

Vendors Products
Smoothwall
  • Express
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-26352.

URL Resource
https://community.smoothwall.org/forum/viewtopic.php?t=45095 cve-icon cve-icon
https://www.vulncheck.com/advisories/smoothwall-express-stored-xss-in-vpnmain-cgi-via-vpn-ip-parameter cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact