WeGIA - Open Redirect - atualizacao redirection - Unvalidated $_GET['redirect']

WeGIA is a Web manager for charitable institutions. Prior to 3.6.9, open redirect has been found in WeGIA webapp. The redirect parameter is taken directly from $_GET with no URL validation or whitelist check, then used verbatim in a header("Location: ...") call. This vulnerability is fixed in 3.6.9.