The Ultimate FAQ WordPress plugin before 2.1.2 does not have capability and CSRF checks in the ewdufaqwelcomeaddfaq and ewdufaqwelcomeaddfaqpage AJAX actions, available to any authenticated users. As a result, any users, with a role as low as Subscriber could create FAQ and FAQ questions
Functions/EWDUFAQImport.php in the ultimate-faqs plugin through 1.8.24 for WordPress allows unauthenticated options import.
Functions/EWDUFAQImport.php in the ultimate-faqs plugin through 1.8.24 for WordPress allows HTML content injection.
The ultimate-faqs plugin before 1.8.22 for WordPress has XSS.