CVE-2025-54814
📋 TL;DR
A reflected cross-site scripting vulnerability in MedDream PACS Premium allows attackers to execute arbitrary JavaScript code by tricking users into clicking malicious URLs. This affects healthcare organizations using MedDream PACS Premium 7.3.6.870 for medical imaging. Attackers can steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- MedDream PACS Premium
📦 What is this software?
Pacs Server by Meddream
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator credentials, gain full system access, and potentially compromise patient medical data and imaging systems.
Likely Case
Attackers steal user session cookies to impersonate legitimate users, access patient data, or modify system settings.
If Mitigated
Limited impact with proper input validation, output encoding, and Content Security Policy headers in place.
🎯 Exploit Status
Reflected XSS typically requires social engineering but is technically simple to exploit once the vulnerable parameter is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Contact MedDream vendor for patch availability. 2. Apply vendor-provided patch when available. 3. Test in non-production environment first.
🔧 Temporary Workarounds
Implement WAF Rules
allConfigure web application firewall to block XSS payloads targeting modifyAutopurgeFilter parameter
Content Security Policy
allImplement strict CSP headers to prevent inline script execution
Content-Security-Policy: script-src 'self'
🧯 If You Can't Patch
- Implement input validation and output encoding for modifyAutopurgeFilter parameter
- Restrict access to MedDream PACS to trusted networks only
🔍 How to Verify
Check if Vulnerable:
Test modifyAutopurgeFilter parameter with XSS payloads like <script>alert('test')</script> and check if script executesCheck Version:
Check MedDream PACS version in administration interface or configuration filesVerify Fix Applied:
Retest with same XSS payloads and verify scripts no longer execute📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing script tags or JavaScript in modifyAutopurgeFilter parameter
- Unusual parameter values in modifyAutopurgeFilter requests
Network Indicators:
- HTTP requests with suspicious parameters containing JavaScript code
- Traffic patterns showing XSS payload delivery
SIEM Query:
source="web_logs" AND (modifyAutopurgeFilter CONTAINS "<script>" OR modifyAutopurgeFilter CONTAINS "javascript:")