Campcodes Sales and Inventory System SQL Injection Vulnerability in Receipt Credit Page

A critical SQL injection vulnerability has been identified in Campcodes Sales and Inventory System version 1.0. The issue resides in the file '/pages/receipt_credit.php', where the 'sid' parameter is manipulated to inject malicious SQL code. This vulnerability allows attackers to interfere with SQL queries, potentially leading to unauthorized database access, data manipulation, and exposure of sensitive information. The vulnerability can be exploited remotely without any authentication.

Impact

Exploitation of this vulnerability allows for SQL injection, enabling attackers to manipulate database queries. This could result in unauthorized data access, data modification or deletion, and exposure of sensitive information.

Reproduction

The vulnerability can be reproduced by sending a POST request to '/pages/receipt_credit.php' with a crafted 'sid' parameter that includes SQL injection payloads. This can be done using tools like Burp Suite or by manually crafting the request with the desired payload.

Remediation

It is recommended to use prepared statements and parameter binding to prevent SQL injection. Additionally, input validation and filtering should be implemented to ensure user input conforms to expected formats. Minimizing database user permissions and conducting regular security audits are also advisable.