Practical maintenance, backup and security notes for agencies and freelancers managing many WordPress sites.
Wordfence Argus found a critical CVSS 9.8 vulnerability in libheif, a library many servers use to process HEIC images. We demonstrated protected-file disclosure and code execution on one exact WordPress deployment. Exploitation is target-specific, but HEIF Heist shows that adapting image exploits to real systems is practical.
Wordfence Argus discovered a PHP Object Injection vulnerability in Tutor LMS, affecting more than 100,000 WordPress sites. Subscriber-level attackers could achieve remote code execution. Update to version 4.0.8 as soon as possible.
Last week, there were disclosed in that have been added to the Wordfence Intelligence Vulnerability Database, and there were 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 make valuable vulnerability information easily accessible to everyone, ...Read More
Managing client sites usually makes you a “data processor” without you noticing. Here is a practical checklist for the duties that role brings.
Wordfence 9 introduces passkeys, and passkeys provide a huge friction reduction because your user no longer has to remember their password or retrieve it from a password manager and copy/paste.
On February 20th, 2026, a critical Unauthenticated Arbitrary File Upload vulnerability was publicly disclosed in WooCommerce Wholesale Lead Capture, a premium WordPress plugin with an estimated 6,000 active installations. This vulnerability can be leveraged by unauthenticated attackers to upload arbitrary files, including PHP backdoors, and achieve remote code execution.
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 separate methods.
In May 2026, the Wordfence Bug Bounty Program received 1095 vulnerability submissions from our growing community of security researchers working to improve the overall security posture of the WordPress ecosystem. These submissions are reviewed, triaged, and processed by the Wordfence Threat Intelligence team, with validated vulnerabilities responsibly disclosed to vendors, often through the Wordfence Vulnerability ...Read More
Strange redirects, a blacklist warning or a login that no longer works: what you do in the first 24 hours decides both the damage and the client relationship.
Backup, security and update practices for people who look after more than one WordPress site. No sales emails, unsubscribe in one click.
