, a tool the developers used months ago to test their code before it went live. They had finished their work and moved on, but they made a fatal mistake: they left the "testing tools" on the production server, and they left them web-accessible.
An attacker can send a POST request to this file containing malicious PHP code. Since the script executes whatever it receives, the attacker gains the ability to run commands on the server. , a tool the developers used months ago
evalstdin.php is a small utility used by PHPUnit to execute PHP code read from STDIN. It’s typically used to evaluate test-bootstrap code or snippets passed via command line, allowing dynamic code execution during test runs. Since the script executes whatever it receives, the
If an Nginx or Apache server has:
composer install --no-dev --optimize-autoloader If an Nginx or Apache server has: composer