Strange js in html code

If i enable wp-cerber i see some strange html code at the end of the page:

<script type=”text/javascript”>
jQuery(document).ready(function ($) {
//$( document ).ajaxStart(function() {
//});

for (var i = 0; i < document.forms.length; ++i) {
var form = document.forms[i];
if ($(form).attr(“method”) != “get”) { $(form).append(‘<input type=”hidden” name=”rOHabc” value=”c@0Y5l” />’); }
if ($(form).attr(“method”) != “get”) { $(form).append(‘<input type=”hidden” name=”emDQHdOSs” value=”6E51ya7pi” />’); }
if ($(form).attr(“method”) != “get”) { $(form).append(‘<input type=”hidden” name=”vpONEuF” value=”nlQ6Pb@” />’); }
}

$(document).on(‘submit’, ‘form’, function () {
if ($(this).attr(“method”) != “get”) { $(this).append(‘<input type=”hidden” name=”rOHabc” value=”c@0Y5l” />’); }
if ($(this).attr(“method”) != “get”) { $(this).append(‘<input type=”hidden” name=”emDQHdOSs” value=”6E51ya7pi” />’); }
if ($(this).attr(“method”) != “get”) { $(this).append(‘<input type=”hidden” name=”vpONEuF” value=”nlQ6Pb@” />’); }
return true;
});

jQuery.ajaxSetup({
beforeSend: function (e, data) {

//console.log(Object.getOwnPropertyNames(data).sort());
//console.log(data.type);

if (data.type !== ‘POST’) return;

if (typeof data.data === ‘object’ && data.data !== null) {
data.data.append(“rOHabc”, “c@0Y5l”);
data.data.append(“emDQHdOSs”, “6E51ya7pi”);
data.data.append(“vpONEuF”, “nlQ6Pb@”);
}
else {
data.data = data.data + ‘&rOHabc=c@0Y5l&emDQHdOSs=6E51ya7pi&vpONEuF=nlQ6Pb@’;
}
}
});

});
</script>

Is this intended? Especially the lines that are uncommented as well as the console.log look strange to me (debug logs not removed?).

I could imagine that this helps solving possible multiple logins by attaching some more form variables, still it looks somehow unfinished (and for now suspicous) to me.