CVE-2026-26352

| EUVD-2026-17126 MEDIUM
2026-03-30 VulnCheck GHSA-7455-x3qx-74xc
5.1
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
P
Scope
X

Lifecycle Timeline

4
Analysis Generated
Mar 30, 2026 - 17:15 vuln.today
EUVD ID Assigned
Mar 30, 2026 - 17:15 euvd
EUVD-2026-17126
Patch Released
Mar 30, 2026 - 17:15 nvd
Patch available
CVE Published
Mar 30, 2026 - 16:49 nvd
MEDIUM 5.1

Tags

XSS

Description

Smoothwall Express versions prior to 3.1 Update 13 contain a stored cross-site scripting vulnerability in the /cgi-bin/vpnmain.cgi script due to improper sanitation of the VPN_IP parameter. Authenticated attackers can inject arbitrary JavaScript through VPN configuration settings that executes when the affected page is viewed by other users.

Analysis

Stored cross-site scripting in Smoothwall Express prior to version 3.1 Update 13 allows authenticated attackers to inject arbitrary JavaScript through the VPN_IP parameter in /cgi-bin/vpnmain.cgi, which executes when other users view affected VPN configuration pages. The vulnerability requires user interaction (page view) and authenticated access, limiting immediate risk but enabling persistent session hijacking or credential theft against administrative users. …

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Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0

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CVE-2026-26352 vulnerability details – vuln.today
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