The s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 241114. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

The s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 241114 via the 'sc_get_details' function. This makes it possible for authenticated attackers, with Contributor-level access and above, to extract sensitive data including user data and database configuration information, which can lead to reading, updating, or dropping database tables. The vulnerability was partially patched in version 241114.

The s2Member – Best Membership Plugin for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 230815 via the API. This makes it possible for unauthenticated attackers to see the contents of those posts and pages.