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 resides in the file '/pages/save_tax.php', where the 'percentage' 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 disruption of service.

Impact

Exploitation of this vulnerability allows for SQL injection, which could be used to access, modify, or delete database information. Such actions could include unauthorized data access, data corruption, and in some cases, gaining control over the application or server.

Reproduction

The vulnerability can be reproduced by sending a POST request to '/pages/save_tax.php' with the 'percentage' parameter. The request can be made using a tool like sqlmap, which can automate the process of exploiting SQL injection vulnerabilities.

Remediation

It is recommended to implement input validation and use prepared statements to prevent SQL injection. Regular security audits can also help identify and address vulnerabilities.