CVE-2025-58087
📋 TL;DR
This vulnerability allows attackers to execute arbitrary JavaScript code in users' browsers by tricking them into clicking specially crafted malicious URLs. It affects MedDream PACS Premium users through reflected cross-site scripting in the config.php functionality. The attack targets the status parameter and requires user interaction.
💻 Affected Systems
- MedDream PACS Premium
📦 What is this software?
Pacs Server by Meddream
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, perform actions as authenticated users, redirect to malicious sites, or install malware through drive-by downloads.
Likely Case
Session hijacking, credential theft, or defacement of the application interface through injected content.
If Mitigated
Limited impact if proper Content Security Policy (CSP) headers are implemented and input validation is enforced.
🎯 Exploit Status
Exploitation requires user interaction (clicking malicious link) but no authentication. Attack vectors include phishing emails or malicious websites.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://talosintelligence.com/vulnerability_reports/TALOS-2025-2271
Restart Required: No
Instructions:
1. Contact MedDream for patch availability. 2. Apply vendor-provided security update. 3. Test functionality after patching.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement proper input validation and output encoding for the status parameter in config.php
Modify config.php to sanitize $_GET['status'] parameter using htmlspecialchars() or similar functions
Content Security Policy
allImplement strict CSP headers to prevent execution of inline JavaScript
Add header: Content-Security-Policy: default-src 'self'; script-src 'self'
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads in URL parameters
- Restrict access to the vulnerable interface using network segmentation or authentication requirements
🔍 How to Verify
Check if Vulnerable:
Test by accessing config.php with a test payload like: /config.php?status=<script>alert('XSS')</script>Check Version:
Check MedDream PACS Premium version in administration interface or configuration filesVerify Fix Applied:
Verify that script tags in the status parameter are properly encoded and not executed📡 Detection & Monitoring
Log Indicators:
- HTTP requests to config.php with script tags or JavaScript in status parameter
- Unusual length or character patterns in status parameter values
Network Indicators:
- URLs containing script tags or JavaScript code in query parameters
- Requests to config.php from unexpected sources
SIEM Query:
source="web_logs" AND uri="*config.php*" AND query="*status=*script*"