In this comprehensive article, we’ll explore what this file is, why attackers hunt for it, how the exploit works, and most importantly – how to protect your systems.
The vulnerability was officially assigned . It affects PHPUnit versions: index of vendor phpunit phpunit src util php eval-stdin.php
This flaw was assigned with a CVSS score of 9.8 (Critical) . It affects PHPUnit versions 4.8.28 and earlier, 5.7.21 and earlier, and 6.4.4 and earlier. The vulnerability was patched in mid-2017, but countless sites remain vulnerable because: In this comprehensive article, we’ll explore what this
In vulnerable versions, this specific script uses eval() to execute whatever is sent to it via raw HTTP POST data (specifically using the php://input wrapper). It affects PHPUnit versions 4
Create a .htaccess file inside your vendor/ folder with the following content: Deny from all Use code with caution.
Even without directory listing, an attacker can guess or brute-force the path if Composer’s autoloader is exposed.