PHPGurukul e-Diary Management System SQL Injection Vulnerability

A critical SQL injection vulnerability has been identified in PHPGurukul e-Diary Management System version 1.0. The issue resides in the file '/edit-category.php?id=8', where the 'category' parameter is manipulated, allowing attackers to inject malicious SQL queries. This vulnerability can be exploited remotely, without any authentication or authorization.

Impact

Exploitation of this vulnerability allows unauthorized access to the database, potential leakage or manipulation of sensitive data, and could disrupt service continuity.

Reproduction

The vulnerability can be reproduced by sending a POST request to '/edms/edit-category.php?id=8' with a crafted 'category' parameter that includes malicious SQL payloads. This can be done using tools like sqlmap, which automates the process of finding and exploiting SQL injection vulnerabilities.

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.