If successful, the server will execute system('id') and return the output (e.g., uid=33(www-data) gid=33(www-data) ). From there, an attacker can:
// Your test here $this->assertTrue(true);
: An attacker can send an HTTP POST request containing a PHP payload starting with
If found, immediate action is required.
composer install --no-dev --no-scripts
Run this command inside your project directory to check your current PHPUnit version: composer show phpunit/phpunit Use code with caution. How to Fix and Secure Your Application 1. Update PHPUnit Immediately
The script is designed to read from the standard input stream ( php://stdin ) and execute the contents using PHP's eval() function. In a Command Line Interface (CLI) context, this is a legitimate feature. index of vendor phpunit phpunit src util php eval-stdin.php
This script was designed to read PHP code from standard input ( stdin ) and execute it using the eval() function. The core security flaw is that this file was often left publicly accessible via the web root in production environments. Because it lacked authentication or access controls, anyone who could send an HTTP POST request to this file could execute arbitrary code on the hosting server. Vulnerable Versions PHPUnit 4.8.27 and earlier PHPUnit 5.6.2 and earlier How Attackers Exploit eval-stdin.php
Add the following line to your configuration file: Options -Indexes Use code with caution.
Attackers often discover this vulnerability by: If successful, the server will execute system('id') and
Using curl :
Running composer install --dev on production servers installs PHPUnit and its utilities.
If successful, the server will execute system('id') and return the output (e.g., uid=33(www-data) gid=33(www-data) ). From there, an attacker can:
// Your test here $this->assertTrue(true);
: An attacker can send an HTTP POST request containing a PHP payload starting with
If found, immediate action is required.
composer install --no-dev --no-scripts
Run this command inside your project directory to check your current PHPUnit version: composer show phpunit/phpunit Use code with caution. How to Fix and Secure Your Application 1. Update PHPUnit Immediately
The script is designed to read from the standard input stream ( php://stdin ) and execute the contents using PHP's eval() function. In a Command Line Interface (CLI) context, this is a legitimate feature.
This script was designed to read PHP code from standard input ( stdin ) and execute it using the eval() function. The core security flaw is that this file was often left publicly accessible via the web root in production environments. Because it lacked authentication or access controls, anyone who could send an HTTP POST request to this file could execute arbitrary code on the hosting server. Vulnerable Versions PHPUnit 4.8.27 and earlier PHPUnit 5.6.2 and earlier How Attackers Exploit eval-stdin.php
Add the following line to your configuration file: Options -Indexes Use code with caution.
Attackers often discover this vulnerability by:
Using curl :
Running composer install --dev on production servers installs PHPUnit and its utilities.