The body of the POST request contains raw PHP code, such as .
Check your access logs for POST requests targeting that specific path. If you'd like, I can provide: index of vendor phpunit phpunit src util php evalstdinphp
The vulnerability stems from a design intended to allow PHPUnit to run code passed through standard input (stdin). In vulnerable versions, the script uses a logic similar to: eval('?>' . file_get_contents('php://input')); Use code with caution. Copied to clipboard The body of the POST request contains raw PHP code, such as
If a system is vulnerable, the impact is . In vulnerable versions, the script uses a logic
This is the most effective fix. Modern versions of PHPUnit have removed this file entirely. Update your dependencies via Composer: composer update .
If you are running PHPUnit in a production environment, PHPUnit is a development tool and has no place on a live production server.
When you see "index of vendor phpunit phpunit src util php evalstdinphp" in your logs or search results, you are looking at a relic of a dangerous era in PHP dependency management—one that attackers still actively exploit in the wild.