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.

A vulnerability has been found in wp-file-upload Plugin up to 2.4.3 on WordPress and classified as problematic. Affected by this vulnerability is the function wfu_ajax_action_callback of the file lib/wfu_ajaxactions.php. The manipulation leads to cross site scripting. The attack can be launched remotely. Upgrading to version 2.4.4 is able to address this issue. The identifier of the patch is c846327df030a0a97da036a2f07c769ab9284ddb. It is recommended to upgrade the affected component. The identifier VDB-258781 was assigned to this vulnerability.