CVE-2019-25378
Smoothwall Express 3.1 'proxy.cgi' Cross-Site Scripting
- State
- Published
- Severity
- 5.1 Medium
- Published
- Feb 16, 2026
- Updated
- Mar 5, 2026
- Reserved
- Feb 16, 2026
Description
Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple cross-site scripting vulnerabilities in the proxy.cgi endpoint that allow attackers to inject malicious scripts through parameters including CACHE_SIZE, MAX_SIZE, MIN_SIZE, MAX_OUTGOING_SIZE, and MAX_INCOMING_SIZE. Attackers can submit POST requests with script payloads to store or reflect arbitrary JavaScript code that executes in users' browsers when the proxy configuration page is accessed.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N | VulnCheck |
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Smoothwall ExpressSmoothwall |
|
References
- ExploitDB-46333exploit
- Smoothwall Official Vendor Homepageproduct
- VulnCheck Advisory: Smoothwall Express 3.1 'proxy.cgi' Cross-Site Scriptingthird-party-advisory
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