CVE-2019-25393
Received Received - Intake
Reflected XSS in Smoothwall Express smoothinfo.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 a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by exploiting insufficient input validation. Attackers can submit POST requests to the smoothinfo.cgi endpoint with script payloads in the WRAP or SECTIONTITLE parameters to execute arbitrary JavaScript in victim browsers.
CVSS Scores
EPSS Scores
Probability:
Percentile:
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-2019-25393
EUVD
EUVD-2019-19623
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
smoothwall smoothwall_express 3.1
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
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.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a reflected cross-site scripting (XSS) issue in Smoothwall Express 3.1-SP4-polar-x86_64-update9. It occurs because the application does not properly validate input, allowing unauthenticated attackers to inject malicious scripts.

Attackers can send specially crafted POST requests to the smoothinfo.cgi endpoint, including malicious JavaScript code in the WRAP or SECTIONTITLE parameters. When a victim's browser processes this response, the injected script executes, potentially compromising the user's session or data.

Impact Analysis

This vulnerability can allow attackers to execute arbitrary JavaScript in the browsers of users who interact with the vulnerable endpoint. This can lead to theft of sensitive information such as session cookies, user credentials, or other data accessible through the browser.

Since the attack requires no authentication, any user accessing the affected service could be targeted, increasing the risk of widespread exploitation.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

I don't know

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2019-25393. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart