Executive SummaryWiz Research uncovered multiple critical vulnerabilities in core PHP, a popular general-purpose scripting language that powers 70% of all websites in the world. Successful exploitation could allow attackers to take control of affected servers, steal sensitive data, and deface the websites running on them. PHP is a backbone of the web: it’s the programming language powering WordPress, Joomla, Drupal, Wikipedia’s MediaWiki, and many others.These vulnerabilities include memory disc...