CVE-2026-34813

| EUVD-2026-18308 MEDIUM
2026-04-02 [email protected] GHSA-c849-x89h-q96v
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

3
Analysis Generated
Apr 02, 2026 - 15:22 vuln.today
EUVD ID Assigned
Apr 02, 2026 - 15:22 euvd
EUVD-2026-18308
CVE Published
Apr 02, 2026 - 15:16 nvd
MEDIUM 5.1

Tags

XSS

Description

Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the user parameter to /cgi-bin/proxyuser.cgi. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.

Analysis

Stored cross-site scripting (XSS) in Endian Firewall 3.3.25 and prior allows authenticated attackers to inject arbitrary JavaScript via the user parameter in /cgi-bin/proxyuser.cgi, which is then executed when other users view the affected page. This requires user interaction (page view) but enables session hijacking, credential theft, or administrative action abuse within the firewall's web interface. …

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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-2026-34813 vulnerability details – vuln.today
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