Pronamic Pay & Pronamic Pay doneren met Mollie - Unauthenticated Form Submission Disclosure via REST API

The Pronamic Pay WordPress plugin before 11.1.0, Pronamic Pay doneren met Mollie WordPress plugin before 1.7.1 do not restrict access to stored form submissions through the REST API, allowing unauthenticated users to read the messages that visitors submitted through the bundled forms.