CVE-2025-58092: MedDream PACS Premium XSS Vulnerability

CVE-2025-58092 Overview

CVE-2025-58092 is a reflected cross-site scripting (XSS) vulnerability affecting the config.php functionality in MedDream PACS Premium 7.3.6.870, a medical imaging Picture Archiving and Communication System. The vulnerability specifically affects the phpexe parameter and allows attackers to execute arbitrary JavaScript code by crafting malicious URLs. When a user clicks on a specially crafted link, the unsanitized input is reflected back in the response, enabling script execution within the context of the victim's browser session.

Critical Impact
This XSS vulnerability in medical imaging software could allow attackers to steal session credentials, perform unauthorized actions on behalf of healthcare workers, or potentially access sensitive patient medical imaging data through social engineering attacks.

Affected Products

MedDream PACS Premium 7.3.6.870
MedDream PACS Premium systems with vulnerable config.php endpoint
Healthcare environments using affected MedDream PACS versions

Discovery Timeline

2026-01-20 - CVE CVE-2025-58092 published to NVD
2026-01-20 - Last updated in NVD database

Technical Details for CVE-2025-58092

Vulnerability Analysis

This vulnerability is classified under CWE-79 (Improper Neutralization of Input During Web Page Generation), commonly known as Cross-Site Scripting. The flaw exists because the config.php endpoint fails to properly sanitize user-supplied input in the phpexe parameter before reflecting it back in the HTTP response. This allows attackers to inject malicious JavaScript code that executes in the context of the victim's browser when they visit a crafted URL.

In healthcare environments, this vulnerability poses significant risk as MedDream PACS systems handle sensitive medical imaging data protected under regulations like HIPAA. Successful exploitation could enable attackers to hijack administrator sessions, modify system configurations, or pivot to other internal systems.

Root Cause

The root cause stems from insufficient input validation and output encoding in the config.php file when processing the phpexe parameter. The application directly reflects user input into the HTML response without proper sanitization, escaping, or Content Security Policy enforcement. This allows malicious payloads containing JavaScript to be executed by the victim's browser as legitimate application code.

Attack Vector

The attack is network-based and requires user interaction. An attacker must craft a malicious URL containing JavaScript payload in the phpexe parameter and convince an authenticated user (typically through phishing or social engineering) to click the link. Once clicked, the malicious script executes in the victim's browser session with full access to the application's cookies, DOM, and the ability to perform actions on behalf of the user.

The vulnerability manifests when the phpexe parameter value is reflected without proper encoding in the server response. An attacker would craft a URL targeting the config.php endpoint with a malicious JavaScript payload embedded in the phpexe parameter. For detailed technical information, see the Talos Intelligence Vulnerability Report.

Detection Methods for CVE-2025-58092

Indicators of Compromise

Suspicious URL patterns in web server logs containing config.php with encoded JavaScript payloads in the phpexe parameter
Unusual HTTP requests to the config.php endpoint with special characters like <, >, script, or encoded equivalents
User reports of unexpected browser behavior or pop-ups when accessing MedDream PACS
Session tokens appearing in external referrer logs indicating potential exfiltration

Detection Strategies

Implement Web Application Firewall (WAF) rules to detect and block XSS payloads targeting the config.php endpoint
Monitor web server access logs for requests containing suspicious patterns in the phpexe parameter
Deploy browser-based XSS detection tools and Content Security Policy (CSP) violation monitoring
Enable detailed logging on the MedDream PACS application to track parameter manipulation attempts

Monitoring Recommendations

Configure SIEM alerts for URL patterns containing XSS indicators targeting MedDream PACS endpoints
Implement network-level monitoring for outbound connections from PACS servers to unexpected destinations
Review authentication logs for session anomalies that may indicate credential theft following XSS exploitation
Establish baseline user behavior patterns to detect unauthorized actions performed via hijacked sessions

How to Mitigate CVE-2025-58092

Immediate Actions Required

Restrict access to the config.php endpoint to only authorized IP addresses or network segments
Implement Content Security Policy (CSP) headers to prevent inline script execution
Deploy Web Application Firewall rules to filter malicious input to the phpexe parameter
Educate users about the risks of clicking unknown or suspicious links, especially those containing the MedDream PACS URL

Patch Information

Organizations should monitor the MedDream vendor for security updates addressing this vulnerability. For detailed information and updates, refer to the Talos Intelligence Vulnerability Report. Contact the MedDream support team directly to inquire about available patches or updated versions that address CVE-2025-58092.

Workarounds

Implement network-level access controls to limit config.php access to trusted administrative networks only
Deploy a reverse proxy with input validation to sanitize the phpexe parameter before it reaches the application
Enable HTTP-only and Secure flags on session cookies to reduce the impact of successful XSS attacks
Consider temporarily disabling or restricting access to the vulnerable endpoint until a vendor patch is available

bash

# Example Apache configuration to restrict access to config.php
<Files "config.php">
    Require ip 10.0.0.0/8
    Require ip 172.16.0.0/12
    Require ip 192.168.0.0/16
</Files>

# Example Content Security Policy header
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none';"