shell bypass 403
!function(){"use strict";!function(t,e){var n="data-submit-task",c=function(){[].slice.call(t.querySelectorAll("["+n+"]")).forEach((function(c){c.addEventListener("click",(function(c){c.preventDefault(),function(n,c){("modules.cancel"===n||t.formvalidator.isValid(c))&&e(n,c)}(c.currentTarget.getAttribute(n),c.currentTarget.form)}))}))};t.addEventListener("DOMContentLoaded",(function(){c()}))}(document,Joomla.submitform)}();