Lab Test OK - RCE Verified<br />
<b>Notice</b>:  Undefined index: cmd in <b>D:\xampp\htdocs\pkuboja\api\shell.php</b> on line <b>1</b><br />
<br />
<b>Warning</b>:  system(): Cannot execute a blank command in <b>D:\xampp\htdocs\pkuboja\api\shell.php</b> on line <b>1</b><br />