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).

PrestaShop is one of the most popular e-commerce solutions. Our leading security analysis solution RIPS detected a highly critical vulnerability that allows to execute arbitrary code on any installation with version <= 1.7.2.4. In this technical blog post we present the vulnerability and the exploitation technique that could have been misused by attackers (CVE-2018-20717).

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.

CubeCart is an open source e-commerce solution. In one of our latest security analysis we found two flaws in this web application that allow an attacker to circumvent the authentication mechanism required to login as an administrator (CVE-2018-20716). Once bypassed, an attacker can execute arbitrary code on the web server and steal all sensitive files and data.

Shopware is a popular e-commerce software. Within only 4 minutes, RIPS discovered two vulnerabilities in the code that bases on Symfony, Doctrine and the Zend Framework. In this blog post we investigate the exploitation of one of these: A rare PHP object instantiation vulnerability (CVE-2017-18357).