CVE-2019-25388
Received Received - Intake
Reflected XSS in Smoothwall Express ipblock.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 submitting crafted input to the ipblock.cgi endpoint. Attackers can inject script tags through the SRC_IP and COMMENT parameters in POST requests to execute arbitrary JavaScript in users' browsers.
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Meta Information
Published
2026-02-16
Last Modified
2026-02-20
Generated
2026-05-27
AI Q&A
2026-02-16
EPSS Evaluated
2026-05-25
NVD
EUVD
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.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a reflected cross-site scripting (XSS) issue found in Smoothwall Express 3.1-SP4-polar-x86_64-update9. It allows unauthenticated attackers to inject malicious scripts by sending specially crafted input to the ipblock.cgi endpoint. Specifically, attackers can inject script tags through the SRC_IP and COMMENT parameters in POST requests, which then execute arbitrary JavaScript in the browsers of users who access the affected functionality.


How can this vulnerability impact me? :

This vulnerability can impact you by allowing attackers to execute arbitrary JavaScript code in your users' browsers without authentication. This can lead to theft of sensitive information such as cookies or session tokens, unauthorized actions performed on behalf of users, and potential compromise of user accounts or data integrity.


How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:

I don't know


How can this vulnerability be detected on my network or system? Can you suggest some commands?

I don't know


What immediate steps should I take to mitigate this vulnerability?

I don't know


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