PHPGurukul Online Security Guards Hiring System SQL Injection Vulnerability

A critical SQL injection vulnerability has been identified in PHPGurukul's Online Security Guards Hiring System version 1.0. The issue resides in the file '/search-request.php', where the 'searchdata' parameter is manipulated, allowing attackers to inject malicious SQL queries. This vulnerability can be exploited remotely, leading to unauthorized database access, data manipulation, and potential leakage of sensitive information.

Impact

Exploitation of this vulnerability allows for unauthorized access to the database, manipulation or deletion of data, and access to sensitive information. Such actions could disrupt services and pose a significant threat to overall system security and business operations.

Reproduction

The vulnerability can be reproduced by sending a POST request to '/search-request.php' with the 'searchdata' parameter. The injected SQL payload can be crafted to exploit the vulnerability, such as using time-based blind SQL injection techniques or union-based SQL injection payloads.

Remediation

To address this vulnerability, 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.