Ticket #52484: 52484.diff

src/wp-includes/class-http.php

@@ -400 +400 @@
                         // Add the original object to the array.
                         $response['http_response'] = $http_response;
                 } catch ( Requests_Exception $e ) {
-                        $response = new WP_Error( 'http_request_failed', $e->getMessage() );
+                        $order = array_diff( mb_detect_order(), [ 'UTF-8' ] );
+                        $order[] = 'UTF-8';
+                        $response = new WP_Error( 'http_request_failed',
+                                mb_convert_encoding( $e->getMessage(), 'UTF-8', mb_detect_encoding( $e->getMessage(), $order, true ) ) );
                 }
 
                 reset_mbstring_encoding();