CVE-2025-58093 Overview
CVE-2025-58093 is a reflected Cross-Site Scripting (XSS) vulnerability affecting the config.php functionality of MedDream PACS Premium 7.3.6.870. This vulnerability allows attackers to execute arbitrary JavaScript code in victims' browsers by crafting malicious URLs that exploit improper input validation in the phpdir parameter.
MedDream PACS is a medical imaging system used in healthcare environments for viewing and managing DICOM medical images. The vulnerability's presence in a healthcare system is particularly concerning as it could potentially be leveraged to compromise sensitive patient data or administrative sessions.
Critical Impact
Attackers can execute arbitrary JavaScript in authenticated user sessions, potentially leading to credential theft, session hijacking, or unauthorized access to medical imaging data in healthcare environments.
Affected Products
- MedDream PACS Premium 7.3.6.870
- MedDream PACS Premium (versions with vulnerable config.php functionality)
Discovery Timeline
- 2026-01-20 - CVE-2025-58093 published to NVD
- 2026-01-20 - Last updated in NVD database
Technical Details for CVE-2025-58093
Vulnerability Analysis
This reflected XSS vulnerability exists in the config.php functionality of MedDream PACS Premium. The vulnerability is categorized under CWE-79 (Improper Neutralization of Input During Web Page Generation). When user-supplied input through the phpdir parameter is reflected back in the response without proper sanitization, it allows attackers to inject malicious JavaScript code.
The vulnerability requires user interaction to exploit - a victim must click a specially crafted malicious URL. Once clicked, the malicious JavaScript executes within the context of the victim's browser session with MedDream PACS, potentially allowing attackers to steal session cookies, perform actions on behalf of the user, or redirect users to malicious sites.
For additional technical details, refer to the Talos Intelligence Vulnerability Report.
Root Cause
The root cause of CVE-2025-58093 is improper input validation and output encoding in the config.php file. The phpdir parameter accepts user input that is reflected directly into the HTML response without adequate sanitization or encoding. This allows specially crafted input containing JavaScript code to be executed in the victim's browser.
The lack of proper output encoding mechanisms such as HTML entity encoding, and the absence of Content Security Policy (CSP) headers, contribute to the exploitability of this vulnerability.
Attack Vector
The attack vector is network-based and requires user interaction. An attacker must craft a malicious URL containing JavaScript payload in the phpdir parameter and convince a victim to click the link. This is typically accomplished through:
- Phishing emails containing the malicious link
- Social engineering attacks targeting healthcare staff
- Embedding the malicious URL in compromised websites
- Injecting the link into forums or messaging platforms
The vulnerability can be exploited without authentication, but the impact is most severe when targeting authenticated administrative users who have elevated privileges within the MedDream PACS system.
Detection Methods for CVE-2025-58093
Indicators of Compromise
- Unusual HTTP requests to config.php containing script tags or JavaScript event handlers in the phpdir parameter
- Web server access logs showing URL-encoded JavaScript payloads targeting the phpdir parameter
- User reports of unexpected browser behavior or redirects when accessing MedDream PACS
- Network traffic containing reflected XSS patterns from the MedDream PACS server
Detection Strategies
- Implement Web Application Firewall (WAF) rules to detect and block XSS payloads in request parameters
- Configure IDS/IPS signatures to identify common XSS attack patterns targeting the phpdir parameter
- Monitor web server logs for requests containing suspicious characters like <script>, javascript:, or encoded variants
- Deploy browser-based security solutions that can detect and prevent XSS execution
Monitoring Recommendations
- Enable detailed logging on the MedDream PACS web server to capture full request URLs
- Set up alerting for anomalous patterns in the phpdir parameter
- Implement real-time monitoring for JavaScript injection attempts in HTTP requests
- Review access logs regularly for reconnaissance activity targeting config.php
How to Mitigate CVE-2025-58093
Immediate Actions Required
- Restrict access to the MedDream PACS web interface to trusted networks only
- Implement a Web Application Firewall (WAF) with XSS detection rules in front of the application
- Educate users about the risks of clicking unknown or suspicious links
- Review and audit recent access logs for potential exploitation attempts
- Consider implementing Content Security Policy (CSP) headers at the web server level
Patch Information
Organizations should monitor the vendor's official channels and the Talos Intelligence Vulnerability Report for patch availability. Contact MedDream support directly to inquire about security updates addressing CVE-2025-58093.
Until a patch is available, implement the recommended workarounds to reduce the attack surface.
Workarounds
- Deploy a reverse proxy or WAF with input validation to filter malicious requests before they reach the application
- Implement network-level access controls to limit who can access the MedDream PACS web interface
- Configure the web server to add security headers including Content-Security-Policy, X-XSS-Protection, and X-Content-Type-Options
- Consider disabling or restricting access to the config.php functionality if not required for normal operations
# Example Apache configuration to add security headers
<IfModule mod_headers.c>
Header set X-XSS-Protection "1; mode=block"
Header set X-Content-Type-Options "nosniff"
Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
</IfModule>
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
