shell bypass 403
(()=>{const e=window.Joomla.getOptions("xtd-readmore");window.insertReadmore=r=>{if(!e)throw new Error("XTD Button 'read more' not properly initialized");const o=window.Joomla.editors.instances[r].getValue();if(o){if(!o||o.match(/<hr\s+id=("|')system-readmore("|')\s*\/*>/i))return Joomla.renderMessages({error:[e.exists]}),!1;Joomla.editors.instances[r].replaceSelection('<hr id="system-readmore">')}else Joomla.editors.instances[r].replaceSelection('<hr id="system-readmore">');return!0}})();