Advanced Custom Fields Flaw Risks 100K Sites

A critical vulnerability in the “Advanced Custom Fields: Extended” WordPress plugin threatens over 100,000 websites with potential takeover. The advanced custom fields flaw, tracked as CVE-2025-14533, could allow attackers to execute arbitrary code and gain administrative access on affected sites. This plugin enhances the default WordPress custom fields and is widely used for building complex content solutions.

Security experts rated the flaw critical, urging site administrators to update immediately. Exploiting this vulnerability requires minimal technical skill, making the risk especially high for small businesses and personal blogs lacking dedicated cybersecurity resources. The exposure affects all plugin users who have not applied the latest patch. This kind of systemic weakness in a popular third-party tool underscores ongoing risks tied to the WordPress ecosystem.

Website owners should assess their plugin versions and apply updates without delay to reduce the impact of the advanced custom fields flaw.

Read the full article here: https://securityonline.info/critical-flaw-in-advanced-custom-fields-extended-exposes-100k-wordpress-sites-to-takeover/