SourceCodester Hotel and Lodge Management System SQL Injection Vulnerability

A SQL injection vulnerability has been identified in SourceCodester Hotel and Lodge Management System version 1.0. The issue arises in the file '/pages/save_customer.php', where the 'contact' parameter is not properly validated, allowing attackers to inject malicious SQL queries. This vulnerability can be exploited remotely, potentially leading to unauthorized database access, data manipulation, and exposure of sensitive information.

Impact

Exploitation of this vulnerability allows for SQL injection, which could lead to unauthorized database access, data modification or deletion, and exposure of sensitive information.

Reproduction

The vulnerability can be reproduced by sending a POST request to '/pages/save_customer.php' with crafted data that includes a malicious SQL payload in the 'contact' parameter. This can be done using tools like sqlmap, which automates the process of finding and exploiting SQL injection vulnerabilities.

Remediation

It is recommended to use prepared statements and parameter binding to prevent SQL injection, validate and filter user input, minimize database user permissions, and conduct regular security audits.