CVE-2025-7537: Campcodes Sales and Inventory SQLi Flaw

CVE-2025-7537 Overview

A critical SQL injection vulnerability has been identified in Campcodes Sales and Inventory System version 1.0. The vulnerability exists in the /pages/product_update.php file, where improper handling of the ID parameter allows attackers to inject malicious SQL commands. This flaw can be exploited remotely without authentication, enabling unauthorized access to sensitive database information, data manipulation, and potential full system compromise.

Critical Impact

Remote attackers can exploit this SQL injection vulnerability to extract, modify, or delete database contents without authentication, potentially compromising all stored sales and inventory data.

Affected Products

• Campcodes Sales and Inventory System 1.0

Discovery Timeline

• July 13, 2025 - CVE-2025-7537 published to NVD
• July 16, 2025 - Last updated in NVD database

Technical Details for CVE-2025-7537

Vulnerability Analysis

This SQL injection vulnerability (classified under CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component) affects the product update functionality within the Campcodes Sales and Inventory System. The vulnerability resides in the /pages/product_update.php endpoint, where user-supplied input through the ID parameter is incorporated directly into SQL queries without proper sanitization or parameterization.

The attack can be initiated remotely over the network with low complexity. No authentication or user interaction is required to exploit this vulnerability, making it particularly dangerous for internet-facing deployments. Successful exploitation can result in unauthorized access to confidential data, modification of inventory records, and potential corruption of the entire database.

Root Cause

The root cause of this vulnerability is improper input validation in the product_update.php file. The application fails to sanitize or parameterize the ID argument before incorporating it into SQL queries. This allows attackers to break out of the intended query structure and inject arbitrary SQL commands that will be executed with the privileges of the database user configured for the application.

Attack Vector

The attack vector is network-based, allowing remote exploitation. An attacker can craft malicious HTTP requests to the /pages/product_update.php endpoint with a specially crafted ID parameter containing SQL injection payloads. Common attack techniques include union-based injection to extract data from other tables, boolean-based blind injection to infer database contents, and time-based blind injection when direct output is not available.

The exploit has been publicly disclosed, increasing the risk of exploitation in the wild. Attackers may use this vulnerability to enumerate database schemas, extract sensitive customer and inventory data, modify pricing or stock information, or potentially escalate privileges if the database user has elevated permissions.

Detection Methods for CVE-2025-7537

Indicators of Compromise

• Unusual SQL error messages in web server logs referencing /pages/product_update.php
• HTTP requests to product_update.php with suspicious characters in the ID parameter (e.g., single quotes, UNION, SELECT, --, OR 1=1)
• Database query logs showing unexpected SELECT, UPDATE, or DELETE operations originating from the application
• Unexplained changes to product records or inventory data

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect SQL injection patterns in requests to /pages/product_update.php
• Enable and monitor database query logging for anomalous query patterns and syntax errors
• Configure intrusion detection systems to alert on common SQL injection signatures in HTTP traffic
• Review access logs for repeated requests to the vulnerable endpoint with varying parameter values

Monitoring Recommendations

• Enable verbose logging on the web server and database to capture detailed request and query information
• Set up alerts for SQL syntax errors that may indicate injection attempts
• Monitor for unauthorized data access patterns or bulk data extraction from the database
• Implement database activity monitoring to detect suspicious query behavior

How to Mitigate CVE-2025-7537

Immediate Actions Required

• Restrict access to the /pages/product_update.php endpoint using network-level controls or authentication
• Deploy a Web Application Firewall with SQL injection protection rules
• Review and audit all database operations for unauthorized changes
• Consider taking the affected application offline until a patch is available or mitigations are in place

Patch Information

No vendor-supplied patch has been confirmed at this time. Organizations should monitor the CampCodes website for security updates. Additional technical details are available through the VulDB CTI Report #316233 and the GitHub Issue Discussion.

Workarounds

• Implement input validation on the ID parameter to accept only numeric values
• Use prepared statements or parameterized queries in the application code to prevent SQL injection
• Apply the principle of least privilege to the database user account used by the application
• Deploy network segmentation to limit access to the application from untrusted networks

# Example: Apache mod_rewrite rule to block suspicious ID parameters
# Add to .htaccess or Apache configuration
RewriteEngine On
RewriteCond %{QUERY_STRING} (union|select|insert|update|delete|drop|--|;) [NC]
RewriteRule ^pages/product_update\.php$ - [F,L]