UnknownSec Bypass 403

: /proc/self/root/var/www/cotutilitydash/ [ drwxrwxr-x ]
name : get_subarea.php <?php require_once "config.php"; $area=$_POST['area']; $equipment=$_POST['equipment']; $query=mysqli_query($conn,"SELECT * FROM mastertb where area='".$area."' and equipment='".$equipment."' and identifier='2' and isdeleted='".$gnotdeleted."'"); while($row=mysqli_fetch_array($query)) { $result[] = array( 'tid' => $row['id'], 'tname' => $row['subarea'], ); } echo json_encode($result); ?>