MaxOn ERP Software 8.x-9.x SQL Injection via nomor Parameter

MaxOn ERP Software 8.x-9.x contains an SQL injection vulnerability that allows authenticated users to execute arbitrary SQL queries through the nomor, user, and jenis parameters in the log_activity function. Attackers can send POST requests to /index.php/user/log_activity with malicious SQL code in these parameters to extract sensitive database information including version and database names.