CVE-2026-24348
📋 TL;DR
Multiple cross-site scripting vulnerabilities in the Admin UI of EZCast Pro II allow attackers to inject and execute arbitrary JavaScript code in other administrators' browsers. This affects administrators who access the vulnerable Admin UI interface. Attackers could steal session cookies, perform actions as the administrator, or redirect users to malicious sites.
💻 Affected Systems
- EZCast Pro II
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of admin accounts leading to device takeover, data theft, or deployment of malware to connected systems.
Likely Case
Session hijacking allowing unauthorized access to admin functions, configuration changes, or credential theft.
If Mitigated
Limited impact if proper network segmentation, admin access controls, and input validation are implemented.
🎯 Exploit Status
Exploitation requires the attacker to have access to trick an admin into visiting a malicious link or interacting with crafted content in the Admin UI.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://hub.ntc.swiss/ntcf-2025-145332
Restart Required: No
Instructions:
1. Monitor vendor website for security updates. 2. Apply patch when available. 3. Verify fix by testing XSS payloads in Admin UI fields.
🔧 Temporary Workarounds
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add 'Content-Security-Policy: default-src 'self'; script-src 'self'' to web server headers
Restrict Admin UI Access
allLimit Admin UI access to trusted IP addresses only
Configure firewall rules to allow only specific IPs to access Admin UI port
🧯 If You Can't Patch
- Isolate EZCast Pro II on separate VLAN with strict access controls
- Implement web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Test Admin UI input fields with basic XSS payloads like <script>alert('test')</script>
Check Version:
Check Admin UI interface or device settings for version information
Verify Fix Applied:
Retest with XSS payloads after applying fixes - scripts should not execute
📡 Detection & Monitoring
Log Indicators:
- Unusual admin login locations
- Multiple failed login attempts followed by successful login
- Admin actions from unexpected user agents
Network Indicators:
- HTTP requests containing script tags or JavaScript in query parameters
- Unusual outbound connections from admin workstations
SIEM Query:
source="ezcast_logs" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")