When an attacker locates an exposed eval-stdin.php file, they send a crafted HTTP POST request to the URL. Conceptual Example of an Attack The attacker sends a request structured like this:
: If your application utilizes an .env file containing application keys, database passwords, or API keys, assume they are compromised and rotate them immediately.
// Vulnerable code logic in eval-stdin.php eval(file_get_contents('php://input')); Use code with caution.
Note: Many modern Content Management Systems (CMS) and frameworks bundle older versions of PHPUnit within their legacy plugins, extending the lifespan of this vulnerability. How to Fix and Secure Your Server
