XML-RPC for PHP's `Wrapper::buildClientWrapperCode` method allows code injection via malicious `$client` argument

In order for this weakness to be exploited, the following conditions have to apply, at the same time: - method Wrapper::buildClientWrapperCode, or any methods which depend on it, such as Wrapper::wrapXmlrpcServer, Wrapper::wrapXmlrpcMethod or Wrapper::buildWrapMethodSource must be in use. Note th...