Provide references for CVE-2021-36855.
Where can I find more information about CVE-2021-36855?
References are available at: https://wordpress.org/plugins/booking-ultra-pro/, https://patchstack.com/database/vulnerability/booking-ultra-pro/wordpress-booking-ultra-pro-plugin-1-1-4-cross-site-scripting-xss-via-cross-site-request-forgery-csrf-vulnerability?_s_id=cve.