Vendor Phpunit Phpunit Src Util Php Eval-stdin.php Exploit New! -

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The eval-stdin.php file was intended for internal testing but was accidentally included in production distributions. It takes input from stdin and executes it as PHP code.

If you cannot update immediately, simply delete the eval-stdin.php file from the server. It is only used for specific testing edge cases and is rarely needed for standard test execution. vendor phpunit phpunit src util php eval-stdin.php exploit

Using the compromised server to attack internal network resources. Why This Old Exploit is Still Dangerous

192.168.1.100 - - [12/May/2025:10:23:45 +0000] "POST /vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php HTTP/1.1" 200 1234 This public link is valid for 7 days

The string vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php represents one of the most frequently targeted paths in automated web vulnerability scans. This path belongs to a critical security flaw in the PHPUnit testing framework, registered as .

The vulnerability arises when developers deploy their entire project directory — including the vendor folder — to production web servers. Because web servers are configured to serve files from a document root (often the project root itself), this file becomes publicly accessible via HTTP. Can’t copy the link right now

Understanding and Remediating the PHPUnit Remote Code Execution Vulnerability (CVE-2017-9841)