Vulnerabilities CVE-2026-27508

CVE-2026-27508

Medium

Open

TLP:CLEAR

Smoothwall Express < 3.1 Update 13 Reflected XSS in redirect.cgi via url Parameter

NVD CVE.org

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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.

Details

CVSS Score: 5.1
EPSS Score ⓘ: 0.16%

5.1th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Confidence: 90%
Published: Mar 30, 2026
Last Modified: Jul 28, 2026

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