CVE-2025-44000
📋 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 the vulnerable version of this medical imaging software. Attackers could 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
Attacker steals administrator session cookies, gains full system access, exfiltrates patient medical data, and potentially modifies medical images or reports.
Likely Case
Attacker steals user session cookies to access patient data, performs phishing attacks, or redirects users to malicious sites.
If Mitigated
Limited impact due to proper input validation, output encoding, and Content Security Policy preventing script execution.
🎯 Exploit Status
Simple reflected XSS requiring user to click crafted URL. No authentication required to trigger vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://talosintelligence.com/vulnerability_reports/TALOS-2025-2270
Restart Required: No
Instructions:
1. Contact MedDream vendor for patch information. 2. Apply vendor-provided patch. 3. Test sendOruReport functionality after patching.
🔧 Temporary Workarounds
Input Validation Filter
allImplement server-side input validation to sanitize user input in sendOruReport parameters
Implement regex filtering for script tags and JavaScript events in URL parameters
Output Encoding
allApply proper output encoding to all user-controlled data in sendOruReport responses
Use HTML entity encoding for all dynamic content in sendOruReport output
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) with XSS protection rules
- Deploy Content Security Policy (CSP) headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Test sendOruReport endpoint with XSS payloads like <script>alert('XSS')</script> in URL parametersCheck Version:
Check MedDream PACS version in administration interface or configuration filesVerify Fix Applied:
Retest with same XSS payloads and verify scripts do not execute📡 Detection & Monitoring
Log Indicators:
- Unusual URL parameters containing script tags or JavaScript in sendOruReport requests
- Multiple failed XSS attempts
Network Indicators:
- HTTP requests to sendOruReport with suspicious parameters
- External JavaScript loading from unexpected sources
SIEM Query:
source="web_logs" AND uri="*sendOruReport*" AND (param="*<script>*" OR param="*javascript:*")