The Ultimate FAQ plugin before 1.8.30 for WordPress allows XSS via DisplayFAQ to Shortcodes/DisplayFAQs.php.
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.