CVE-2025-8955: Hospital Management System SQLi Vulnerability

CVE-2025-8955 Overview

A SQL injection vulnerability has been identified in PHPGurukul Hospital Management System version 4.0. This vulnerability exists in the /admin/edit-doctor.php file, where improper handling of the docfees parameter allows attackers to inject malicious SQL commands. The vulnerability can be exploited remotely without authentication, potentially compromising the confidentiality, integrity, and availability of sensitive healthcare data stored in the application's database.

Critical Impact

Remote attackers can exploit this SQL injection vulnerability to extract, modify, or delete sensitive patient and hospital data from the database without requiring authentication.

Affected Products

• PHPGurukul Hospital Management System 4.0
• Code-projects Hospital Management System 4.0

Discovery Timeline

• August 14, 2025 - CVE-2025-8955 published to NVD
• August 14, 2025 - Last updated in NVD database

Technical Details for CVE-2025-8955

Vulnerability Analysis

This SQL injection vulnerability (CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component) affects the administrative functionality of the Hospital Management System. The vulnerable endpoint /admin/edit-doctor.php accepts user-controlled input through the docfees parameter, which is directly incorporated into SQL queries without proper sanitization or parameterization.

The vulnerability enables attackers to manipulate database queries by injecting SQL syntax through the docfees field. Since this is an administrative function for editing doctor records, successful exploitation could allow unauthorized access to the entire database schema, including sensitive patient records, medical histories, billing information, and administrative credentials.

The attack surface is network-accessible, meaning remote attackers can exploit this vulnerability without requiring local access to the system. The exploit has been publicly disclosed, increasing the risk of opportunistic attacks against unpatched installations.

Root Cause

The root cause of this vulnerability is the failure to properly validate, sanitize, and parameterize user input before incorporating it into SQL queries. The docfees parameter value is directly concatenated into SQL statements rather than being passed through prepared statements or parameterized queries. This classic input validation failure allows attacker-controlled data to be interpreted as SQL commands rather than data values.

Attack Vector

The attack can be initiated remotely over the network by sending crafted HTTP requests to the /admin/edit-doctor.php endpoint. An attacker would manipulate the docfees parameter to include SQL injection payloads that alter the intended query logic. Common attack scenarios include:

• Union-based injection: Extracting data from other database tables by appending UNION SELECT statements
• Boolean-based blind injection: Inferring database contents through true/false responses
• Time-based blind injection: Extracting data by observing response time delays
• Error-based injection: Leveraging database error messages to enumerate schema information

The vulnerability does not require authentication, making it accessible to any remote attacker who can reach the web application. Exploitation could lead to unauthorized data disclosure, data manipulation, or complete database compromise.

Detection Methods for CVE-2025-8955

Indicators of Compromise

• Unusual SQL syntax patterns in web server access logs targeting /admin/edit-doctor.php
• HTTP requests containing SQL keywords (UNION, SELECT, INSERT, DELETE, DROP) in the docfees parameter
• Abnormal database query patterns or error logs indicating injection attempts
• Unexpected database modifications to doctor records or fee information

Detection Strategies

• Deploy Web Application Firewall (WAF) rules to detect and block SQL injection patterns in request parameters
• Monitor web server logs for requests to /admin/edit-doctor.php with suspicious parameter values
• Implement database activity monitoring to alert on anomalous query patterns or unauthorized data access
• Enable verbose logging on the application and database servers to capture potential exploitation attempts

Monitoring Recommendations

• Configure alerts for HTTP requests containing common SQL injection payloads targeting the vulnerable endpoint
• Monitor database audit logs for queries originating from the web application that deviate from normal patterns
• Implement rate limiting on administrative endpoints to detect and slow automated exploitation attempts
• Review database user account privileges to ensure the web application uses least-privilege access

How to Mitigate CVE-2025-8955

Immediate Actions Required

• Restrict network access to the /admin/edit-doctor.php endpoint using firewall rules or access control lists
• Implement Web Application Firewall (WAF) rules to filter SQL injection attempts on the vulnerable parameter
• Review and audit all administrative access to the Hospital Management System
• Consider taking the application offline if it contains highly sensitive data until remediation is complete

Patch Information

No official vendor patch has been confirmed at the time of publication. System administrators should monitor the PHP Gurukul Security Resource for security updates and patches. Additionally, the GitHub Issue Discussion and VulDB #319924 provide additional context on this vulnerability.

Workarounds

• Implement input validation on the docfees parameter to accept only numeric values
• Modify the vulnerable code to use prepared statements with parameterized queries
• Deploy a reverse proxy or WAF with SQL injection filtering capabilities in front of the application
• Restrict access to administrative functions through IP whitelisting or VPN requirements
• Conduct a code review of other input parameters in the application for similar vulnerabilities

# Example: Restrict access to admin directory using Apache .htaccess
# Place this configuration in /admin/.htaccess
<Files "edit-doctor.php">
    Order deny,allow
    Deny from all
    Allow from 10.0.0.0/8
    Allow from 192.168.0.0/16
</Files>