CVE-2025-6820: Inventory Management System SQLi Flaw

CVE-2025-6820 Overview

A SQL injection vulnerability has been discovered in code-projects Inventory Management System version 1.0. The vulnerability exists in the /php_action/createProduct.php file, where the productName argument is improperly validated before being used in database queries. This flaw allows remote attackers to inject malicious SQL commands, potentially leading to unauthorized data access, modification, or deletion.

Critical Impact

Remote attackers can exploit this SQL injection vulnerability to manipulate database queries, potentially compromising the confidentiality, integrity, and availability of the inventory management system's data.

Affected Products

• code-projects Inventory Management System 1.0

Discovery Timeline

• 2025-06-28 - CVE-2025-6820 published to NVD
• 2025-07-01 - Last updated in NVD database

Technical Details for CVE-2025-6820

Vulnerability Analysis

This vulnerability represents a classic SQL injection attack vector (CWE-89) combined with improper neutralization of special elements (CWE-74). The /php_action/createProduct.php endpoint accepts user-supplied input through the productName parameter without adequate sanitization or parameterization. When this unsanitized input is concatenated directly into SQL queries, attackers can inject arbitrary SQL commands that the database server will execute.

The network-accessible nature of this vulnerability means that any attacker with network access to the application can attempt exploitation without requiring authentication or user interaction. Successful exploitation could allow attackers to read sensitive inventory data, modify product records, delete database entries, or potentially escalate to more severe attacks depending on the database configuration and privileges.

Root Cause

The root cause of this vulnerability is the failure to properly sanitize or parameterize user input in the createProduct.php file. The productName argument is directly incorporated into SQL queries without using prepared statements or proper input validation. This allows specially crafted input containing SQL metacharacters to modify the intended query logic.

Attack Vector

The attack can be launched remotely over the network. An attacker can craft malicious HTTP requests to the /php_action/createProduct.php endpoint, injecting SQL syntax into the productName parameter. The exploit has been disclosed publicly, making it accessible to potential threat actors.

The vulnerability mechanism involves manipulating the productName parameter to break out of the intended SQL query context and execute arbitrary SQL commands. Common techniques include using single quotes to terminate string literals, followed by SQL operators like UNION, OR, or comment sequences to alter query behavior. For detailed technical information about this vulnerability, refer to the GitHub CVE Issue Tracker and VulDB #314258.

Detection Methods for CVE-2025-6820

Indicators of Compromise

• HTTP requests to /php_action/createProduct.php containing SQL metacharacters such as single quotes, double dashes, UNION, SELECT, or OR 1=1 patterns in the productName parameter
• Unusual database query errors or exceptions logged by the application server
• Unexpected data modifications or deletions in product inventory tables
• Database logs showing queries with injected SQL syntax originating from web application requests

Detection Strategies

• Implement web application firewall (WAF) rules to detect and block SQL injection patterns in HTTP requests to the affected endpoint
• Monitor application logs for error messages indicating SQL syntax errors or database query failures
• Deploy intrusion detection systems (IDS) with signatures for SQL injection attack patterns
• Enable database query logging and audit trails to identify suspicious query patterns

Monitoring Recommendations

• Configure real-time alerting for any requests to /php_action/createProduct.php containing suspicious characters or SQL keywords
• Establish baseline metrics for normal database query volumes and alert on anomalies
• Monitor for unauthorized data access patterns or bulk data extraction attempts
• Review web server access logs regularly for reconnaissance activity targeting the vulnerable endpoint

How to Mitigate CVE-2025-6820

Immediate Actions Required

• Restrict network access to the Inventory Management System to trusted IP addresses only
• Implement input validation on the productName parameter to reject SQL metacharacters
• Deploy a web application firewall (WAF) with SQL injection protection rules
• Consider taking the affected endpoint offline until a proper fix can be implemented

Patch Information

At the time of publication, no official vendor patch has been released for this vulnerability. Organizations using code-projects Inventory Management System 1.0 should implement the workarounds described below and monitor the Code Projects Security Hub for updates.

Workarounds

• Modify the createProduct.php file to use parameterized queries (prepared statements) instead of string concatenation for SQL queries
• Implement server-side input validation to sanitize the productName parameter, rejecting or escaping SQL metacharacters
• Apply the principle of least privilege to the database user account used by the application
• Implement network-level access controls to limit exposure of the vulnerable endpoint

# Example: Restrict access to the vulnerable endpoint via Apache .htaccess
# Place this in the web application's root directory

<Files "createProduct.php">
    Order Deny,Allow
    Deny from all
    Allow from 192.168.1.0/24
    # Allow only from trusted internal network
</Files>