CVE-2019-25383
Received Received - Intake
Reflected XSS in Smoothwall Express apcupsd.cgi via POST Parameters

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 apcupsd.cgi script that allow attackers to inject malicious scripts through multiple POST parameters. Attackers can submit crafted POST requests with script payloads in parameters like BATTLEVEL, RTMIN, BATTDELAY, TO, ANNOY, UPSIP, UPSNAME, UPSPORT, POLLTIME, UPSUSER, NISPORT, UPSAUTH, EMAIL, FROM, CC, SMSEMAIL, SMTPSERVER, PORT, USER, and EMAIL_PASSWORD to execute arbitrary JavaScript in victim 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-2019-25383
EUVD
EUVD-2019-19618
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 apcupsd.cgi script. It involves multiple reflected cross-site scripting (XSS) flaws that allow attackers to inject malicious JavaScript code through various POST parameters.

  • Attackers can craft POST requests with script payloads in parameters such as BATTLEVEL, RTMIN, BATTDELAY, TO, ANNOY, UPSIP, UPSNAME, UPSPORT, POLLTIME, UPSUSER, NISPORT, UPSAUTH, EMAIL, FROM, CC, SMSEMAIL, SMTPSERVER, PORT, USER, and EMAIL_PASSWORD.

When a victim's browser processes these malicious scripts, arbitrary JavaScript code can be executed, potentially compromising the user's session or data.

Impact Analysis

This vulnerability can impact you by allowing attackers to execute arbitrary JavaScript in the browsers of users interacting with the affected Smoothwall Express system.

  • Such execution can lead to theft of sensitive information, session hijacking, or manipulation of the web interface.
  • Because the vulnerability requires user interaction (UI:R), it may be exploited through social engineering or tricking users into submitting crafted requests.
Compliance Impact

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Detection Guidance

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