CVE-2025-4698: Directory Management System SQLi Vulnerability

CVE-2025-4698 Overview

A critical SQL Injection vulnerability has been identified in PHPGurukul Directory Management System version 2.0. The vulnerability exists in the /admin/forget-password.php file, where the email parameter is not properly sanitized before being used in SQL queries. This allows remote attackers to manipulate database queries and potentially gain unauthorized access to sensitive data or compromise the entire database.

Critical Impact

Unauthenticated remote attackers can exploit this SQL Injection vulnerability to extract sensitive data, bypass authentication, or potentially gain complete control of the underlying database server.

Affected Products

• PHPGurukul Directory Management System 2.0

Discovery Timeline

• 2025-05-15 - CVE-2025-4698 published to NVD
• 2025-05-28 - Last updated in NVD database

Technical Details for CVE-2025-4698

Vulnerability Analysis

This SQL Injection vulnerability in PHPGurukul Directory Management System affects the password recovery functionality located at /admin/forget-password.php. The application fails to properly validate and sanitize user-supplied input in the email parameter before incorporating it into SQL database queries. This implementation flaw allows attackers to inject malicious SQL statements that will be executed by the database server.

The vulnerability is accessible over the network without requiring any authentication or user interaction, making it particularly dangerous for internet-facing installations. Successful exploitation could allow attackers to read sensitive information from the database, modify or delete data, bypass authentication mechanisms, or in some cases execute commands on the underlying operating system depending on database configuration.

Root Cause

The root cause of this vulnerability is improper input validation and the failure to use parameterized queries or prepared statements in the /admin/forget-password.php file. When user input from the email parameter is directly concatenated into SQL queries without proper sanitization or escaping, it creates an injection point that attackers can exploit to manipulate the query's logic and structure.

Attack Vector

The attack can be initiated remotely over the network by any unauthenticated attacker. The exploitation process involves sending specially crafted HTTP requests to the /admin/forget-password.php endpoint with malicious SQL payloads in the email parameter. Since no authentication is required to access the password reset functionality, the attack surface is exposed to any user who can reach the application.

The vulnerability manifests in the password recovery mechanism where the email parameter is processed. Attackers can craft malicious input containing SQL syntax that, when incorporated into the backend query, alters the intended SQL statement execution. Common attack techniques include UNION-based injection to extract data from other tables, boolean-based blind injection to infer database contents, or time-based blind injection for data exfiltration. For technical details and proof-of-concept information, see the GitHub Issue Tracker.

Detection Methods for CVE-2025-4698

Indicators of Compromise

• Unusual HTTP requests to /admin/forget-password.php containing SQL keywords such as UNION, SELECT, OR 1=1, or comment sequences like -- and /*
• Database error messages in application logs indicating malformed SQL queries
• Unexpected database query patterns or excessive database load from the web application
• Evidence of data exfiltration or unauthorized database access in audit logs

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block SQL Injection patterns in the email parameter
• Monitor HTTP request logs for suspicious payloads targeting /admin/forget-password.php
• Enable database query logging and alert on queries containing injection signatures
• Deploy intrusion detection systems (IDS) with SQL Injection detection rules

Monitoring Recommendations

• Enable detailed logging for all requests to the /admin/ directory
• Configure database audit logging to track all queries executed through the web application
• Set up alerting for multiple failed password reset attempts from single IP addresses
• Monitor for unusual database connection patterns or query execution times

How to Mitigate CVE-2025-4698

Immediate Actions Required

• Restrict access to the /admin/forget-password.php file using IP-based access controls or .htaccess rules
• Implement Web Application Firewall rules to filter malicious input targeting the vulnerable endpoint
• Consider temporarily disabling the password reset functionality until a patch is available
• Audit database logs for signs of exploitation and check for unauthorized data access

Patch Information

At the time of this writing, no official patch has been released by PHPGurukul for this vulnerability. Organizations using Directory Management System 2.0 should monitor the PHP Gurukul website for security updates and apply patches as soon as they become available.

Workarounds

• Implement input validation on the email parameter to accept only valid email format patterns
• Deploy a Web Application Firewall to filter SQL Injection attempts before they reach the application
• Use network segmentation to limit database access and reduce the impact of potential exploitation
• Consider implementing prepared statements or parameterized queries in the application code as a code-level fix

# Apache .htaccess configuration to restrict access to admin directory
<Files "forget-password.php">
    Order Deny,Allow
    Deny from all
    Allow from 192.168.1.0/24
    Allow from 10.0.0.0/8
</Files>