The keyword typically refers to a critical security vulnerability known as CVE-2017-9841 . This flaw exists in PHPUnit , a popular testing framework for PHP, and can allow remote attackers to execute arbitrary code on a web server.
They had found eval-stdin.php , realized it was a catastrophe waiting to happen, and instead of exploiting it for profit, they had: The keyword typically refers to a critical security
“This could have been worse.”