NIST: NVD. Base Score: 7.5 HIGH. Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) National Institute of Standards and Technology (.gov)
Check your vendor folder immediately. If you find eval-stdin.php exposed, assume a breach has occurred and audit your logs for suspicious POST requests containing system , exec , or base64_decode .
The path /vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php is not a helpful development artifact. Its presence in a web-accessible directory is a critical security flaw that leads directly to a full system compromise. The vulnerability is widely known, trivial to exploit, and is actively used by malware and botnets.
This article breaks down what this string means, why it appears in security scans, how the eval-stdin.php utility actually works, and why its presence in a public web root is dangerous.
The problem arises when the vendor/ folder is placed inside the of a web server (e.g., /var/www/html/vendor/ ) and the server allows direct execution of PHP files.
Even if you remove the specific file, it is best practice to block public access to the entire vendor directory.
At the heart of this search string is , a flaw in PHPUnit, the dominant unit testing framework for PHP applications. The Vulnerable Script
Add the following block inside your server configuration: location ~ /vendor/ deny all; return 404; Use code with caution.
The core implementation of this file historically looked something like this: ' . file_get_contents('php://input')); Use code with caution. The Problem
If you’ve recently come across a web server log or a directory listing containing the string index of vendor phpunit phpunit src util php evalstdinphp work , you’re likely looking at a combination of a directory index exposure and a reference to a specific, dangerous file within the PHPUnit testing framework.
If you have discovered an "Index of" page or are seeing requests for eval-stdin.php in your server logs, your application is likely being scanned for a well-known vulnerability in older versions of PHPUnit . The Critical Flaw
Ensure you are on version , 5.6.3+ , or any version 7.x/8.x/9.x . 2. Move the Vendor Folder vulhub/phpunit/CVE-2017-9841/README.md at master - GitHub
: This is a read-only stream that allows an application to read raw data from the HTTP request body.
Index Of Vendor Phpunit Phpunit Src Util Php Evalstdinphp Work __full__
NIST: NVD. Base Score: 7.5 HIGH. Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) National Institute of Standards and Technology (.gov)
Check your vendor folder immediately. If you find eval-stdin.php exposed, assume a breach has occurred and audit your logs for suspicious POST requests containing system , exec , or base64_decode .
The path /vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php is not a helpful development artifact. Its presence in a web-accessible directory is a critical security flaw that leads directly to a full system compromise. The vulnerability is widely known, trivial to exploit, and is actively used by malware and botnets.
This article breaks down what this string means, why it appears in security scans, how the eval-stdin.php utility actually works, and why its presence in a public web root is dangerous. NIST: NVD
The problem arises when the vendor/ folder is placed inside the of a web server (e.g., /var/www/html/vendor/ ) and the server allows direct execution of PHP files.
Even if you remove the specific file, it is best practice to block public access to the entire vendor directory.
At the heart of this search string is , a flaw in PHPUnit, the dominant unit testing framework for PHP applications. The Vulnerable Script If you find eval-stdin
Add the following block inside your server configuration: location ~ /vendor/ deny all; return 404; Use code with caution.
The core implementation of this file historically looked something like this: ' . file_get_contents('php://input')); Use code with caution. The Problem
If you’ve recently come across a web server log or a directory listing containing the string index of vendor phpunit phpunit src util php evalstdinphp work , you’re likely looking at a combination of a directory index exposure and a reference to a specific, dangerous file within the PHPUnit testing framework. The vulnerability is widely known, trivial to exploit,
If you have discovered an "Index of" page or are seeing requests for eval-stdin.php in your server logs, your application is likely being scanned for a well-known vulnerability in older versions of PHPUnit . The Critical Flaw
Ensure you are on version , 5.6.3+ , or any version 7.x/8.x/9.x . 2. Move the Vendor Folder vulhub/phpunit/CVE-2017-9841/README.md at master - GitHub
: This is a read-only stream that allows an application to read raw data from the HTTP request body.
