I'm Julio POTIER from BoiteAWeb.fr, a french WordPress Security blog.
I'm a WordPress Expert and Web Security Consultant.
A friend of me talked about this WP plugin, awesome idea !
But as usual i looked deeper and found some bad vulnerabilities :/
1) [hidden from public]
2) [hidden from public]
3&4) [hidden from public]
Contact me for more informations asap