web/upload/UploadHandler.php in Vesta Control Panel (aka VestaCP) through 0.9.8-27 and myVesta through 0.9.8-26-39 allows uploads from a different origin.
https://github.com/myvesta/vesta/commit/3402071e950e76b79fa8672a1e09b70d3860f355
http://packetstormsecurity.com/files/161836/VestaCP-0.9.8-Cross-Site-Request-Forgery.html