Another case where autocomplete creates a problem. New user account creation does not benefit from autocomplete. It assumes the user is the currently logged in user which is not what you want on a form to add new users. This code adds an autocomplete honey pot to defeat the browser developers poor assumption.

core/users/signup.php

@@ -17,7 +17,7 @@
 
 	The Initial Developer of the Original Code is
 	Mark J Crane <[email protected]>
-	Portions created by the Initial Developer are Copyright (C) 2008-2012
+	Portions created by the Initial Developer are Copyright (C) 2008-2015
 	the Initial Developer. All Rights Reserved.
 
 	Contributor(s):
@@ -298,16 +298,16 @@ if (count($_POST) > 0 && check_str($_POST["persistform"]) != "1") {
 	echo "<table border='0' $tablewidth cellpadding='0' cellspacing='0'>";
 	echo "	<tr>";
 	echo "		<td class='vncellreq' width='30%'>".$text['label-username']."</td>";
-	echo "		<td class='vtable' width='70%'><input type='text' class='formfld' autocomplete='off' name='username' value='$username'></td>";
+	echo "		<td class='vtable' width='70%'><input style='display:none;' type='password' name='autocomplete'><input type='text' class='formfld' name='username' value='$username'></td>";
 	echo "	</tr>";
 
 	echo "	<tr>";
 	echo "		<td class='vncellreq'>".$text['label-password']."</td>";
-	echo "		<td class='vtable'><input type='password' class='formfld' autocomplete='off' name='password' id='password' value='$password' onfocus='compare_passwords();' onkeyup='compare_passwords();' onblur='compare_passwords();'></td>";
+	echo "		<td class='vtable'><input style='display:none;' type='password' name='autocomplete'><input type='password' class='formfld' name='password' id='password' value='$password' onfocus='compare_passwords();' onkeyup='compare_passwords();' onblur='compare_passwords();'></td>";
 	echo "	</tr>";
 	echo "	<tr>";
 	echo "		<td class='vncellreq'>".$text['label-confirm_password']."</td>";
-	echo "		<td class='vtable'><input type='password' class='formfld' autocomplete='off' name='confirmpassword' id='confirmpassword' value='$confirmpassword' onfocus='compare_passwords();' onkeyup='compare_passwords();' onblur='compare_passwords();'></td>";
+	echo "		<td class='vtable'><input type='password' class='formfld' name='confirmpassword' id='confirmpassword' value='$confirmpassword' onfocus='compare_passwords();' onkeyup='compare_passwords();' onblur='compare_passwords();'></td>";
 	echo "	</tr>";
 	echo "	<tr>";
 	echo "		<td class='vncellreq'>".$text['label-email']."</td>";