In WordPress before 4.7.5, there is insufficient redirect validation in the HTTP class, leading to SSRF.

In WordPress before 4.7.5, there is a lack of capability checks for post meta data in the XML-RPC API.

In WordPress before 4.7.5, there is improper handling of post meta data values in the XML-RPC API.

In WordPress before 4.7.5, a Cross Site Request Forgery (CSRF) vulnerability exists in the filesystem credentials dialog because a nonce is not required for updating credentials.