In this technical blog post we examine a critical vulnerability in the core of the TYPO3 CMS which was detected by our static code analysis tool RIPS (CVE-2019-12747). A reliable exploit allows the execution of arbitrary PHP code on the underlying system as authenticated user.

Last month we released an authenticated remote code execution (RCE) vulnerability in WordPress 5.0. This blog post reveals another critical exploit chain for WordPress 5.1 that enables an unauthenticated attacker to gain remote code execution on any WordPress installation prior to version 5.1.1 (CVE-2019-9787).

This blog post details how a combination of a Path Traversal and Local File Inclusion vulnerability lead to Remote Code Execution in the WordPress core (CVE-2019-8943). The vulnerability remained uncovered in the WordPress core for over 6 years.

A recent Capture-The-Flag tournament hosted by Insomni’hack challenged participants to craft an attack payload for Drupal 7. This blog post will demonstrate our solution for a PHP Object Injection with a complex POP gadget chain.

The WordPress.org website holds the repositories for all plugins and themes that are used by all WordPress sites. Furthermore, it manages the accounts that developers use to edit the code of their themes and plugins. In this blog post, we investigate a critical stored XSS vulnerability on the WordPress.org website we have reported to the WordPress security team in May 2018.