CVE-2019-25381
Received Received - Intake
Reflected XSS in Smoothwall Express hosts.cgi Enables Script Injection

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 hosts.cgi script that allow attackers to inject malicious scripts through unvalidated parameters. Attackers can submit POST requests to the hosts.cgi endpoint with script payloads in the IP, HOSTNAME, or COMMENT parameters to execute arbitrary JavaScript in users' browsers.
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Meta Information
Published
2026-02-16
Last Modified
2026-02-20
Generated
2026-06-16
AI Q&A
2026-02-16
EPSS Evaluated
2026-06-14
NVD
CVE-2019-25381
EUVD
EUVD-2019-19619
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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Detection Guidance

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Executive Summary

This vulnerability exists in Smoothwall Express 3.1-SP4-polar-x86_64-update9 within the hosts.cgi script. It involves multiple reflected cross-site scripting (XSS) flaws that allow attackers to inject malicious scripts through unvalidated parameters.

Attackers can send POST requests to the hosts.cgi endpoint with script payloads embedded in the IP, HOSTNAME, or COMMENT parameters. This enables the execution of arbitrary JavaScript code in the browsers of users who access the affected page.

Impact Analysis

The vulnerability can lead to the execution of arbitrary JavaScript in users' browsers, which may result in unauthorized actions such as session hijacking, theft of sensitive information, or manipulation of web content.

Since the attack requires user interaction (UI:R), it depends on users visiting a crafted page or submitting malicious input, but the impact includes potential compromise of user data confidentiality and integrity.

Compliance Impact

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Mitigation Strategies

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