Hi,
I just met a trouble with google maps widget. In the list of maps 'Use this map', if a user uses html characters in the title of his maps, it breaks the page and thus the drop-down list.
You just need to use an esc_html () for display.
In lib > forms > widget_settings ( L38 ) :
<option value="<?php echo $map['id'];?>" <?php echo (($map_id == $map['id']) ? 'selected="selected"' : '');?>><?php echo esc_html($map['title'])?></option>
Thanks :wink: