CVE-2021-26033
An issue was discovered in Joomla! 3.0.0 through 3.9.26. A missing token check causes a CSRF vulnerability in the AJAX reordering endpoint.
Date published : 2021-05-26
https://developer.joomla.org/security-centre/853-20210502-core-csrf-in-ajax-reordering-endpoint.html