UnknownSec Bypass 403

: /var/www/stsupport/admin/ [ drwxrwxr-x ]
name : delete-license-permission.php <?php include "config.php"; $licenseunique_id=$_GET['id']; $sql="DELETE FROM licensepermission WHERE LicenseUniqueId='{$licenseunique_id}'"; if(mysqli_query($conn,$sql)){ header("Location: {$hostname}/admin/product-details.php"); }else { echo "Query Failed."; } ?>