The Simple Page Access Restriction plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.0.29 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 logged-in users.

The Simple Restrict plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.2.7 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 Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

The Simple Restrict plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.2.6 via the REST API. This makes it possible for authenticated attackers to bypass the plugin's restrictions to extract post titles and content

The Simple Page Access Restriction plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.0.21 via the REST API. This makes it possible for unauthenticated attackers to bypass the plugin's page restriction and view page content.