CVE-2026-7520 | MailMunch MailChimp Forms by MailMunch Plugin up to 3.2.7 on WordPress AJAX sign_in/sign_up improper authorization

A vulnerability categorized as critical has been discovered in MailMunch MailChimp Forms by MailMunch Plugin up to 3.2.7 on WordPress. This impacts the function sign_in/sign_up of the component AJAX Handler. The manipulation results in improper authorization.

This vulnerability is reported as CVE-2026-7520. The attack can be launched remotely. No exploit exists.