Provide references for CVE-2021-36869.
Where can I find more information about CVE-2021-36869?
References are available at: https://wordpress.org/plugins/add-search-to-menu/#developers, https://patchstack.com/database/vulnerability/add-search-to-menu/wordpress-ivory-search-plugin-4-6-6-reflected-cross-site-scripting-xss-vulnerability.