Ticket #17588: 17588.diff

wp-includes/class-http.php

@@ -800 +800 @@
                 // If location is found, then assume redirect and redirect to location.
                 if ( isset($arrHeaders['headers']['location']) && 0 !== $r['_redirection'] ) {
                         if ( $r['redirection']-- > 0 ) {
+                                if ( in_array( $arrHeaders['response']['code'], array( 302, 303 ) ) && 'POST' == $r['method'] )
+                                        $r['method'] = 'GET';
+
                                 return wp_remote_request( WP_HTTP::make_absolute_url( $arrHeaders['headers']['location'], $url ), $r);
                         } else {
                                 return new WP_Error('http_request_failed', __('Too many redirects.'));