The Membership WordPress plugin before 3.2.3 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in StellarWP Membership Plugin – Restrict Content plugin <= 3.2.7 versions.

The Membership Plugin – Restrict Content plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.2.13 via the WordPress core search feature. This makes it possible for unauthenticated attackers to extract sensitive data from posts that have been restricted to higher-level roles such as administrator.

The Membership Plugin – Restrict Content plugin for WordPress is vulnerable to Missing Authentication in all versions up to, and including, 3.2.16 via the 'rcpstripecreatesetupintentforsavedcard' function due to missing capability check. Additionally, the plugin does not check a user-controlled key, which makes it possible for unauthenticated attackers to leak Stripe SetupIntent clientsecret values for any membership.