This vulnerability was patched years ago. Ensure you are using a modern, supported version of PHPUnit. Restrict Access: (Apache) or blocks (Nginx) to deny web access to the directory entirely. Move the Vendor Folder: Ideally, your folder should be located outside of the public_html directory so it cannot be reached via a browser. Remove Development Tools: Never deploy development dependencies ( composer install --no-dev ) to a production environment. to block access to your vendor folder?
curl -X POST --data "<?php system('id'); ?>" http://target.com/vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php
If you really need to test code generation, isolate eval() in a separate binary script that never touches the web root. This vulnerability was patched years ago
A PoC exploit for CVE-2017-9841 - PHPUnit Remote Code ... - GitHub
If you absolutely must evaluate dynamic code, consider using a sandbox library (e.g., phan/phan , nikic/php-parser to validate syntax first). The eval-stdin.php script has no such protections. Move the Vendor Folder: Ideally, your folder should
was designed to execute PHP code received via standard input (
http://target.com/vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php curl -X POST --data "<
We should write a detailed, informative article about PHPUnit's internal utilities, focusing on the eval-stdin.php file (or EvalStdin.php maybe). The query says "php evalstdinphp" - likely eval-stdin.php . The article should explain what this file does, why it exists, how to use it, and how to "better" utilize or understand it. Also discuss "index of vendor" meaning directory structure.
Ensure an .htaccess file is placed inside your vendor folder (or main configuration file) with the following rule:
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