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Medium · 6.1 CVE-2019-25388 EUVD-2019-19628GHSA-jw99-r2cw-rqwg

Smoothwall Express 3.1 'ipblock.cgi' Cross-Site Scripting

Published Feb 16, 2026 · Updated Mar 5, 2026 · Assigned by VulnCheck

Description

Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted input to the ipblock.cgi endpoint. Attackers can inject script tags through the SRC_IP and COMMENT parameters in POST requests to execute arbitrary JavaScript in users' browsers.

Affected products

VendorProductAffectedFixed
Smoothwall Smoothwall Express 3.1 —

References