Index Of Vendor Phpunit Phpunit Src Util Php Evalstdinphp Work Jun 2026

Put together, you are looking for a publicly accessible web directory containing: /vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php

If you're unsure if you've been compromised, check your server logs for POST requests to eval-stdin.php . If you've found this article because you saw these requests, update your composer.lock and block the access path immediately.

Add a rule to your server block to return a 403 Forbidden error for any requests to the vendor directory: location /vendor/ deny all; return 404; Use code with caution. Share public link

The string you provided is a common search query used to find web servers that are vulnerable to CVE-2017-9841 , a critical remote code execution (RCE) vulnerability in Put together, you are looking for a publicly

As highlighted by security researchers on VulnCheck and Exploit-DB , if your PHP application uses composer, you should check for the following:

If the file was exposed, you must assume bots may have already executed code. Inspect your server for the following red flags:

If you find an exposed eval-stdin.php on a third-party website: Share public link The string you provided is

The page returns a blank screen (Status 200) or displays a PHP error message.

Is this a environment or a VPS/dedicated server ? Share public link

Add this line to your main .htaccess file: Options -Indexes Use code with caution. Share public link Add this line to your main

echo '<?php echo 2+2; ?>' | php vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php # Output: 4

Automated scanners can easily crawl the web looking for the phrase "Index of /vendor/" .

In production environments, never install development dependencies (which includes PHPUnit). Use the following command: composer install --no-dev --optimize-autoloader Use code with caution.

A: Yes. The vulnerability lies in the script's logic, not in a specific PHP version. Modern PHP versions (7.x, 8.x) are still vulnerable unless the script is removed or patched. The eval() function works the same way regardless of PHP version.