On September 1, 2026, the libheif project released version 1.23.3, closing a critical heap buffer overflow that the Wordfence Threat Intelligence team, using Wordfence Argus, discovered and reported four days earlier. The libheif maintainer, Dirk Farin, gave it a score of 9.8 out of 10 on the CVSS scale, with the release notes singling it … Read more
Last week, there were 260 vulnerabilities disclosed in 207 WordPress Plugins that have been added to the Wordfence Intelligence Vulnerability Database, and there were 147 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities in this report now to ensure your site is not affected. Our mission with Wordfence Intelligence is to … Read more
On August 23rd, 2026, Wordfence Argus, our AI research agent specializing in complex vulnerability chains, discovered a PHP Object Injection vulnerability in Tutor LMS, a WordPress e-learning plugin active on more than 100,000 websites. This vulnerability allows any authenticated attacker with subscriber-level access to achieve remote code execution on the server by exploiting an interaction … Read more
Imagine you can sign in with one click. Now imagine all the users on your WooCommerce store or WordPress powered website can sign in with one click. Firstly it makes your life a lot easier. But more importantly, you’ve removed friction from users logging in to make purchases, to engage in your forums, and to … Read more
On August 21 and August 22, 2026, Wordfence Argus, created by the Wordfence Threat Intelligence team, identified two independent critical vulnerability chains in The Events Calendar, a WordPress plugin active on more than 600,000 websites. Both chains begin in the plugin’s widget-rendering pipeline and can ultimately lead to Remote Code Execution without authentication through two … Read more
