Description

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.

INFO

Published Date :

2026-03-30T16:51:50.165Z

Last Modified :

2026-03-31T18:05:32.880Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-27508 vulnerability.

Vendors Products
Smoothwall
  • Express
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-27508.

URL Resource
https://community.smoothwall.org/forum/viewtopic.php?t=45095 cve-icon cve-icon
https://www.vulncheck.com/advisories/smoothwall-express-reflected-xss-in-redirect-cgi-via-url-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