CB 1.8.1

See com_comprofiler/comprofiler.php around line 126 that reads:

if ( ! ( ( cbStartOfStringMatch( $return, $_CB_framework->getCfg( 'live_site' ) ) || cbStartOfStringMatch( $return, 'index.php' ) ) ) ) {


Fix:

	/* SSL login fix by Matt Faulds*/
	$livesite = $_CB_framework->getCfg( 'live_site' );
	$ret_http = cbStartOfStringMatch( $return, 'http://' );
	$live_http = cbStartOfStringMatch( $livesite, 'http://' );
	if($ret_http != $live_http) {
		if($ret_http) {
			$livesite = str_replace('https://','http://',$_CB_framework->getCfg( 'live_site' ));
		} else {
			$livesite = str_replace('http://','https://',$_CB_framework->getCfg( 'live_site' ));
		}
	}
	/* end SSL fix */
	if ( ! ( ( cbStartOfStringMatch( $return, $livesite ) || cbStartOfStringMatch( $return, 'index.php' ) ) ) ) {
		$return			=	'';
	}