This was patched years ago. Ensure you are using a modern version of PHPUnit (8.x, 9.x, or 10.x). Restrict Directory Access: folder should be accessible via a public URL. Use a file (for Apache) or a block (for Nginx) to deny all web access to that folder. Correct Document Root: Set your web server's document root to a folder that only contains your entry point (like ), keeping the directory one level above the reach of the browser. Are you looking into this because you saw it in your server logs , or are you writing a security report on this specific exploit?
This command would output:
However, if a web server (such as Apache or Nginx) serves this file, a malicious actor can send an HTTP POST request directly to this file. The body of the POST request is treated as the input stream. index of vendor phpunit phpunit src util php eval-stdin.php