CVE-2025-54852
📋 TL;DR
A reflected cross-site scripting vulnerability in MedDream PACS Premium allows attackers to execute arbitrary JavaScript code by tricking users into clicking a malicious URL. This affects healthcare organizations using MedDream PACS Premium 7.3.6.870 for medical imaging. The vulnerability requires user interaction but can lead to session hijacking or credential theft.
💻 Affected Systems
- MedDream PACS Premium
📦 What is this software?
Pacs Server by Meddream
⚠️ Risk & Real-World Impact
Worst Case
Attacker steals healthcare provider credentials, accesses patient medical records (PHI), modifies medical images, or installs malware on hospital systems, potentially disrupting critical healthcare operations.
Likely Case
Attacker steals session cookies to impersonate legitimate users, accesses limited patient data, or redirects users to phishing sites to harvest credentials.
If Mitigated
With proper input validation and output encoding, the malicious script is neutralized, preventing any code execution while maintaining normal system functionality.
🎯 Exploit Status
Exploitation requires user interaction (clicking malicious link) but no authentication. Simple reflected XSS techniques apply.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Contact MedDream vendor for patch availability. 2. If patch exists, download from official vendor portal. 3. Apply patch following vendor instructions. 4. Test functionality after patching.
🔧 Temporary Workarounds
Web Application Firewall (WAF) Rules
allDeploy WAF rules to block XSS payloads targeting modifyAeTitle parameter
Input Validation Filter
allImplement server-side input validation to sanitize modifyAeTitle parameter
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Restrict access to MedDream PACS to trusted networks only using firewall rules
🔍 How to Verify
Check if Vulnerable:
Test modifyAeTitle parameter with XSS payloads like <script>alert('test')</script> and check if script executesCheck Version:
Check MedDream PACS interface or configuration files for version information (typically in admin panel or about section)Verify Fix Applied:
Retest with same XSS payloads after remediation - script should not execute and input should be properly encoded📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing script tags or JavaScript in modifyAeTitle parameter
- Unusual user agent strings or referrer headers
Network Indicators:
- HTTP GET requests with encoded script payloads in URL parameters
- Traffic patterns showing repeated access attempts to modifyAeTitle endpoint
SIEM Query:
source="web_logs" AND (uri="*modifyAeTitle*" AND (uri="*<script*" OR uri="*javascript:*" OR uri="*onerror=*"))