CVE-2025-9840: Sports Management System SQL Injection Flaw

CVE-2025-9840 Overview

A SQL injection vulnerability has been identified in itsourcecode Sports Management System version 1.0. The impacted element is an unknown function of the file /Admin/gametype.php. Executing manipulation of the argument code can lead to SQL injection. The attack can be executed remotely over the network, and the exploit has been made available to the public, increasing the risk of exploitation in the wild.

Critical Impact

Remote attackers can exploit this SQL injection vulnerability to potentially extract, modify, or delete database contents, compromising the integrity and confidentiality of sports management data stored in the application.

Affected Products

• Angeljudesuarez Sports Management System 1.0
• itsourcecode Sports Management System 1.0

Discovery Timeline

• 2025-09-02 - CVE-2025-9840 published to NVD
• 2025-09-05 - Last updated in NVD database

Technical Details for CVE-2025-9840

Vulnerability Analysis

This SQL injection vulnerability exists in the /Admin/gametype.php file of the Sports Management System. The application fails to properly sanitize user-supplied input through the code parameter before incorporating it into SQL queries. This allows an authenticated attacker with low privileges to inject malicious SQL statements that will be executed by the backend database.

The vulnerability is classified under both CWE-89 (Improper Neutralization of Special Elements used in an SQL Command) and CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component), indicating that the application does not adequately filter or escape special characters in user input before passing them to the database layer.

Root Cause

The root cause of this vulnerability is insufficient input validation and lack of parameterized queries in the gametype.php administrative function. When the code argument is processed, it is directly concatenated into SQL statements without proper sanitization, escaping, or the use of prepared statements. This classic SQL injection pattern allows attackers to break out of the intended query context and execute arbitrary SQL commands.

Attack Vector

The attack is executed remotely over the network and requires low-level authentication to access the administrative interface. An attacker can manipulate the code parameter to inject SQL payloads that alter the query logic. This could enable unauthorized data access, modification of game type records, extraction of sensitive information from other database tables, or potentially escalation to full database compromise depending on the database configuration and privileges.

The vulnerability can be exploited by crafting malicious input that escapes the intended query structure, such as inserting SQL operators, comments, or UNION-based payloads through the code parameter. Additional technical details and proof-of-concept information can be found in the GitHub Issue Tracker and the VulDB entry #322187.

Detection Methods for CVE-2025-9840

Indicators of Compromise

• Unusual database queries containing SQL syntax patterns such as UNION SELECT, OR 1=1, or comment sequences like -- and /*
• Suspicious HTTP requests to /Admin/gametype.php containing special characters or encoded SQL keywords in the code parameter
• Database error messages in application logs indicating malformed SQL queries
• Unexpected data modifications or deletions in game type records

Detection Strategies

• Deploy Web Application Firewall (WAF) rules to detect and block common SQL injection patterns targeting the /Admin/gametype.php endpoint
• Implement database activity monitoring to identify anomalous query patterns or unauthorized data access
• Review web server access logs for requests containing SQL injection indicators in query parameters
• Configure intrusion detection systems (IDS) with signatures for SQL injection attempts

Monitoring Recommendations

• Enable detailed logging for the Sports Management System administrative functions, particularly the gametype.php component
• Monitor database audit logs for unexpected queries originating from the web application
• Set up alerts for authentication anomalies combined with access to the vulnerable administrative endpoint
• Implement real-time log analysis to correlate suspicious parameter manipulation with database activity

How to Mitigate CVE-2025-9840

Immediate Actions Required

• Restrict access to the /Admin/gametype.php endpoint to trusted IP addresses or internal networks only
• Implement additional authentication layers for the administrative interface
• Deploy a Web Application Firewall with SQL injection protection rules in blocking mode
• Review and audit all user accounts with access to the administrative panel

Patch Information

As of the last update on 2025-09-05, no official vendor patch has been released for this vulnerability. Organizations using the Sports Management System 1.0 should monitor the IT Source Code website for potential updates. Given the public availability of exploit information, immediate implementation of compensating controls is critical.

Workarounds

• Implement prepared statements with parameterized queries by modifying the gametype.php source code to prevent SQL injection
• Add server-side input validation to sanitize the code parameter and reject input containing SQL special characters
• Deploy a reverse proxy with SQL injection filtering capabilities in front of the application
• Consider taking the administrative interface offline or restricting access until a proper fix can be implemented

# Example: Apache .htaccess restriction for Admin directory
<Directory "/path/to/webroot/Admin">
    Order Deny,Allow
    Deny from all
    Allow from 192.168.1.0/24
    Allow from 10.0.0.0/8
</Directory>