CVE-2025-4013: Art Gallery Management System SQLi Flaw

CVE-2025-4013 Overview

A critical SQL Injection vulnerability has been identified in PHPGurukul Art Gallery Management System version 1.0. The vulnerability exists in the /admin/aboutus.php file, where improper handling of the pagetitle argument allows attackers to inject malicious SQL commands. This flaw enables remote attackers to manipulate database queries without authentication, potentially compromising the entire application database.

Critical Impact

Remote attackers can exploit this SQL Injection vulnerability to extract sensitive data, modify database contents, or potentially gain unauthorized access to the underlying system through the vulnerable pagetitle parameter in the admin panel.

Affected Products

• PHPGurukul Art Gallery Management System 1.0

Discovery Timeline

• 2025-04-28 - CVE-2025-4013 published to NVD
• 2025-05-12 - Last updated in NVD database

Technical Details for CVE-2025-4013

Vulnerability Analysis

This SQL Injection vulnerability (CWE-89) occurs in the /admin/aboutus.php administrative endpoint. The application fails to properly sanitize or parameterize user-supplied input through the pagetitle argument before incorporating it into SQL queries. This allows attackers to break out of the intended query structure and execute arbitrary SQL commands against the backend database.

The vulnerability is classified under both CWE-89 (SQL Injection) and CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component), indicating a fundamental failure in input validation and output encoding practices. The exploit has been publicly disclosed, increasing the risk of active exploitation.

Root Cause

The root cause is insufficient input validation and the use of unsanitized user input directly in SQL queries. The pagetitle parameter is passed to database queries without proper escaping, parameterized queries, or prepared statements. This classic SQL Injection pattern allows attackers to manipulate query logic by injecting SQL metacharacters and commands.

Attack Vector

The attack can be executed remotely over the network without requiring authentication. An attacker crafts a malicious HTTP request to the /admin/aboutus.php endpoint, injecting SQL payloads through the pagetitle parameter. The vulnerability enables various SQL Injection techniques including:

• Union-based attacks to extract data from other tables
• Boolean-based blind injection to enumerate database contents
• Time-based blind injection for data exfiltration
• Stacked queries to execute multiple SQL statements (database-dependent)

The vulnerability mechanism involves injecting SQL syntax through the pagetitle parameter. When the application constructs a query using this unsanitized input, the attacker's payload becomes part of the executed SQL statement. For detailed technical analysis, refer to the GitHub CVE Issue Tracker and VulDB #306366.

Detection Methods for CVE-2025-4013

Indicators of Compromise

• Unusual HTTP requests to /admin/aboutus.php containing SQL keywords such as UNION, SELECT, INSERT, DROP, or -- in the pagetitle parameter
• Database error messages appearing in application logs or HTTP responses indicating malformed queries
• Unexpected database query patterns or increased database load from the web application user
• Anomalous data access patterns or unauthorized data modifications in the art gallery database

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block SQL Injection patterns in requests to /admin/aboutus.php
• Enable detailed logging for the web application and monitor for requests containing SQL metacharacters in form parameters
• Configure intrusion detection systems (IDS) to alert on SQL Injection signature patterns targeting PHP applications
• Perform regular log analysis looking for repeated requests to the vulnerable endpoint with varying payloads

Monitoring Recommendations

• Monitor HTTP access logs for requests to /admin/aboutus.php with abnormal parameter lengths or suspicious characters
• Set up alerts for database errors related to syntax violations that may indicate injection attempts
• Track authentication and authorization events in the admin panel for signs of unauthorized access following exploitation
• Implement database activity monitoring to detect unusual query patterns or data exfiltration attempts

How to Mitigate CVE-2025-4013

Immediate Actions Required

• Restrict access to the /admin/aboutus.php endpoint by implementing IP whitelisting or additional authentication layers
• Deploy a Web Application Firewall (WAF) with SQL Injection protection rules as an interim measure
• If possible, take the Art Gallery Management System offline until a patch is available or workarounds are implemented
• Review database accounts used by the application and ensure they have minimum required privileges

Patch Information

No official patch has been released by PHPGurukul at the time of this writing. Organizations should monitor the PHP Gurukul Security Resources for security updates. Given the public disclosure of this exploit, applying patches immediately upon availability is critical.

Workarounds

• Manually modify the /admin/aboutus.php file to implement prepared statements with parameterized queries for all database interactions
• Add server-side input validation to sanitize the pagetitle parameter, rejecting or escaping SQL metacharacters
• Implement a reverse proxy or WAF rule specifically blocking requests with SQL Injection patterns to the affected endpoint
• Consider using PHP's mysqli_real_escape_string() or PDO prepared statements as an interim fix until proper remediation is available

# Example: Block suspicious requests to vulnerable endpoint using Apache mod_rewrite
# Add to .htaccess or Apache configuration
RewriteEngine On
RewriteCond %{QUERY_STRING} (union|select|insert|drop|update|delete|--) [NC]
RewriteRule ^admin/aboutus\.php$ - [F,L]