Code-Projects Online Reviewer System SQL Injection Vulnerability

A SQL injection vulnerability has been identified in Code-Projects Online Reviewer System version 1.0. The issue resides in the file '/system/system/admins/assessments/pretest/btn_functions.php', where the 'difficulty_id' parameter is manipulated, allowing attackers to inject malicious SQL queries. This vulnerability can be exploited remotely, without any authentication.

Impact

Exploitation of this vulnerability allows unauthorized access to the database, manipulation of data, leakage of sensitive information, and potential disruption of services.

Reproduction

The vulnerability can be reproduced by sending a POST request to '/system/system/admins/assessments/pretest/btn_functions.php' with the 'difficulty_id' parameter. The request can include a crafted payload that exploits the SQL injection vulnerability, such as using SQL injection techniques like boolean-based blind, error-based, or time-based blind payloads.

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 that user input conforms to expected formats. Minimizing database user permissions is also advised.