The One User Avatar WordPress plugin before 2.3.7 does not escape the link and target attributes of its shortcode, allowing users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks

The One User Avatar WordPress plugin before 2.3.7 does not check for CSRF when updating the Avatar in page where the [avatar_upload] shortcode is embed. As a result, attackers could make logged in user change their avatar via a CSRF attack