CVE-2025-54817
📋 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 MedDream PACS Premium 7.3.6.870 installations, potentially compromising user sessions and data.
💻 Affected Systems
- MedDream PACS Premium
📦 What is this software?
Pacs Server by Meddream
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal session cookies, perform actions as authenticated users, redirect to phishing sites, or install malware via drive-by downloads.
Likely Case
Session hijacking leading to unauthorized access to medical imaging data and patient information.
If Mitigated
Limited impact if proper input validation and output encoding are implemented, though some user interaction is still required.
🎯 Exploit Status
Exploitation requires user interaction but is technically simple once the malicious URL is crafted.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
Contact MedDream vendor for patch information. Monitor vendor security advisories for updates.
🔧 Temporary Workarounds
Implement WAF Rules
allConfigure web application firewall to block XSS payloads in URL parameters
Input Validation Filter
allAdd server-side validation to sanitize autoPurge parameter inputs
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Deploy network segmentation to isolate MedDream PACS from internet access
🔍 How to Verify
Check if Vulnerable:
Test with XSS payloads in autoPurge parameter: /path?autoPurge=<script>alert('XSS')</script>Check Version:
Check MedDream PACS version in administration interface or configuration filesVerify Fix Applied:
Verify that script tags in autoPurge parameter are properly sanitized or blocked📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing script tags or JavaScript in autoPurge parameter
- Unusual URL patterns with encoded payloads
Network Indicators:
- Malicious URLs being shared via email or messaging
- Traffic patterns showing XSS payload delivery
SIEM Query:
source="web_logs" AND (uri="*autoPurge=*script*" OR uri="*autoPurge=*javascript:*")