CVE-2019-25378
Multiple XSS Vulnerabilities in Smoothwall Express proxy.cgi Endpoint
Publication date: 2026-02-16
Last updated on: 2026-02-20
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| smoothwall | smoothwall_express | 3.1 |
Helpful Resources
Exploitability
| 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 exists in Smoothwall Express 3.1-SP4-polar-x86_64-update9 and involves multiple cross-site scripting (XSS) issues in the proxy.cgi endpoint.
Attackers can inject malicious scripts through certain parameters such as CACHE_SIZE, MAX_SIZE, MIN_SIZE, MAX_OUTGOING_SIZE, and MAX_INCOMING_SIZE by submitting POST requests containing script payloads.
These scripts can then be stored or reflected, causing arbitrary JavaScript code to execute in the browsers of users who access the proxy configuration page.
How can this vulnerability impact me? :
This vulnerability can allow attackers to execute arbitrary JavaScript code in the browsers of users accessing the proxy configuration page.
Such execution can lead to theft of sensitive information, session hijacking, or other malicious actions performed on behalf of the user.
Because the vulnerability requires user interaction (UI:R) and can be exploited remotely without privileges, it poses a moderate risk.
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