1 min read 27 Nov 2018 by Johannes Dahse
7 min read 6 Nov 2018 by Simon Scannell
A flaw in the way WordPress handles privileges can lead to a privilege escalation in WordPress plugins. This affects for example WooCommerce, the most popular e-commerce plugin with over 4 million installations. The vulnerability allows shop managers to delete certain files on the server and then to take over any administrator account (CVE-2018-20714).
6 min read 31 Oct 2018 by Nils Werner
WordPress is the most popular CMS on the web. In this blog post we introduce an authenticated arbitrary file deletion vulnerability (CVE-2018-20714) in the WordPress core that can lead to attackers executing arbitrary code. The vulnerability was reported 7 months ago to the WordPress security team but still remains unpatched.
The WordPress plugin WooCommerce runs on approximately 2,300,000 live websites and is currently the most prominent eCommerce platform used on the Web. During our research we discovered a PHP Object Injection vulnerability in WooCommerce (CVE-2017-18356) that allows to escalate privileges with a unique and interesting injection technique.