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WordPress 5.1 CSRF to Remote Code Execution

9 min read 13 Mar 2019 by Simon Scannell
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).

WordPress 5.0.0 Remote Code Execution

15 min read 19 Feb 2019 by Simon Scannell
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.

What is Phar Deserialization

5 min read 14 Aug 2018 by Johannes Dahse
Last week a new exploitation technique for PHP applications was announced at the BlackHat USA conference. Find out everything you need to know in this blog post.

Evil Teacher: Code Injection in Moodle

11 min read 12 Jun 2018 by Robin Peraglie
Moodle is a widely-used open-source e-Learning software with more than 127 million users allowing teachers and students to digitally manage course activities and exchange learning material, often deployed by large universities. In this post we will examine the technical intrinsics of a critical vulnerability in the previous Moodle release detected by RIPS Code Analysis (CVE-2018-1133).

Why mail() is dangerous in PHP

8 min read 3 May 2017 by Robin Peraglie
Recently, many critical security vulnerabilities were fixed in popular PHP applications such as Roundcube, Wikimedia and Zend Framework that based on insecure usage of the PHP mail() function. In this post, we have a look at the common ground of these vulnerabilities and how to use mail() securely.