Vulnerability Report

CVE-2019-25378

Title: Multiple XSS in Smoothwall Express proxy.cgi

XSS

Proof Of Concept

No public PoC currently indexed for CVE-2019-25378.

CWE Category CWE-79

Published Date Feb 16, 2026

Modified Date Feb 20, 2026

Exploit Status Not Found

Score 5.1 CVSS v4.0

Exploit Probability (EPSS)

0.22%

Vulnerability Summary

CVE-2019-25378: 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.

Impacted Vendors

smoothwall 1

Reference Links

http://www.smoothwall.org https://www.exploit-db.com/exploits/46333 https://www.vulncheck.com/advisories/smoothwall-express-proxycgi-cross-site-scripting

CVSS v4.0

Source Entity [email protected]

Severity MEDIUM

5.1

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

ACTIVE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

N/A

RAW VECTOR

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

6.1

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns