Improper access control in Email Subscribers & Newsletters - #VU22768
Published: November 14, 2019
Email Subscribers & Newsletters
Detailed vulnerability description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists in the "admin_init" action due to improper access restrictions within the "admin-post.php" or "admin-ajax.php". A remote attacker can send a request to "admin-ajax.php" or "admin-post.php" with the "es_skip" parameter set to 1 and the "option_name" parameter set to the desired value and gain ability to create a new option.