The security site Facecrooks shares an awareness to check charity sites carefully to ensure legitimacy.  Donations should always be made to mainstream sites, after careful research to ensure they are received by those truly in need.  

Facebook – Some Donation Pages Run by Fraudsters

QUOTE: Facebook has become a rather popular medium for gathering donations. Of course, with the site’s 800 million users, it’s practically guaranteed that you’ll find somebody who is sympathetic to your cause. In fact, Facebook’s so effective that some people have successfully used it as a platform for collecting donations, particularly for medical expenses. Some people have even found organ donors through the site. However, there are always two sides to every coin and the platform is easily abused by scammers.