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 ACF On-The-Go plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the acfg_update_fields() function in all versions up to, and including, 1.0.1. This makes it possible for authenticated attackers, with subscriber-level access and above, to update arbitrary post titles, descriptions, and ACF values.