CVE-2025-54859
📋 TL;DR
This stored XSS vulnerability in desknet's NEO allows attackers to inject malicious JavaScript that executes in other users' browsers when they view affected content. All users of vulnerable desknet's NEO versions are affected, particularly those who can access content containing the malicious payload.
💻 Affected Systems
- desknet's NEO
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, perform actions as authenticated users, redirect to malicious sites, or install malware on user systems.
Likely Case
Session hijacking, credential theft, or unauthorized actions performed in the context of logged-in users.
If Mitigated
Limited impact with proper input validation, output encoding, and Content Security Policy (CSP) headers in place.
🎯 Exploit Status
Requires ability to inject malicious content that other users will view.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to version after V9.0R2.0
Vendor Advisory: https://www.desknets.com/neo/support/mainte/17475/
Restart Required: No
Instructions:
1. Backup current configuration and data. 2. Download latest version from vendor. 3. Apply update following vendor instructions. 4. Verify update completed successfully.
🔧 Temporary Workarounds
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add 'Content-Security-Policy' header with appropriate directives
Input Validation Filtering
allImplement server-side input validation to reject malicious scripts
Configure input validation rules in application settings
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Disable JavaScript execution in affected components if possible
🔍 How to Verify
Check if Vulnerable:
Check desknet's NEO version in administration panel or configuration filesCheck Version:
Check version in admin interface or configuration filesVerify Fix Applied:
Verify version is updated beyond V9.0R2.0 and test XSS payloads no longer execute📡 Detection & Monitoring
Log Indicators:
- Unusual script tags or JavaScript in user input logs
- Multiple failed login attempts from same IP
Network Indicators:
- Suspicious JavaScript payloads in HTTP requests
- Unexpected external script loads
SIEM Query:
source="desknet_neo" AND (http_request contains "<script>" OR http_request contains "javascript:")