CVE-2019-25384
Received Received - Intake

Reflected XSS in Smoothwall Express portfw.cgi Allows 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 portfw.cgi script that allow attackers to inject malicious scripts through unvalidated parameters. Attackers can submit POST requests with script payloads in the EXT, SRC_PORT_SEL, SRC_PORT, DEST_IP, DEST_PORT_SEL, 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
2026-07-06
AI Q&A
2026-02-16
EPSS Evaluated
2026-07-05
NVD
CVE-2019-25384
EUVD
EUVD-2019-19615

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 portfw.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 containing script payloads in parameters such as EXT, SRC_PORT_SEL, SRC_PORT, DEST_IP, DEST_PORT_SEL, or COMMENT. This enables the execution of arbitrary JavaScript code in the browsers of users who interact with the vulnerable application.

Impact Analysis

This vulnerability can impact users by allowing attackers to execute arbitrary JavaScript in their browsers. This can lead to unauthorized actions such as stealing session cookies, redirecting users to malicious sites, or performing actions on behalf of the user without their consent.

Since the vulnerability requires user interaction (UI:R), it may be exploited through social engineering or tricking users into submitting crafted requests.

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