CVE-2019-25390
Received Received - Intake

Reflected XSS in Smoothwall Express interfaces.cgi Risks Admin Session Hijack

Publication date: 2026-02-16

Last updated on: 2026-02-20

Assigner: VulnCheck

Description
Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple reflected cross-site scripting vulnerabilities in the interfaces.cgi script that allow attackers to inject malicious scripts through multiple parameters including GREEN_ADDRESS, GREEN_NETMASK, RED_DHCP_HOSTNAME, RED_ADDRESS, DNS1_OVERRIDE, DNS2_OVERRIDE, RED_MAC, RED_NETMASK, DEFAULT_GATEWAY, DNS1, and DNS2. Attackers can craft POST requests to interfaces.cgi with script payloads in these parameters to execute arbitrary JavaScript in the context of authenticated administrator sessions.

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Meta Information

Published
2026-02-16
Last Modified
2026-02-20
Generated
2026-07-06
AI Q&A
2026-02-16
EPSS Evaluated
2026-07-05
NVD
CVE-2019-25390
EUVD
EUVD-2019-19625

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
smoothwall smoothwall_express 3.1

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This vulnerability exists in Smoothwall Express 3.1-SP4-polar-x86_64-update9 within the interfaces.cgi script. It involves multiple reflected cross-site scripting (XSS) flaws that allow attackers to inject malicious JavaScript code through various parameters such as GREEN_ADDRESS, GREEN_NETMASK, RED_DHCP_HOSTNAME, RED_ADDRESS, DNS1_OVERRIDE, DNS2_OVERRIDE, RED_MAC, RED_NETMASK, DEFAULT_GATEWAY, DNS1, and DNS2.

Attackers can send specially crafted POST requests containing script payloads in these parameters, which then execute arbitrary JavaScript in the context of authenticated administrator sessions.

Impact Analysis

This vulnerability can allow attackers to execute arbitrary JavaScript code within the browser session of an authenticated administrator. This can lead to unauthorized actions being performed with administrator privileges, theft of sensitive information such as session tokens or credentials, and potential compromise of the affected system.

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