Site Health: Escape the displayed result of the request in REST API availability test.

Props siliconforks, gisselfeldt.
Fixes #50588.
Built from https://develop.svn.wordpress.org/trunk@48608


git-svn-id: http://core.svn.wordpress.org/trunk@48370 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-site-health.php

@@ -1969,7 +1969,7 @@ class WP_Site_Health {
 					/* translators: 1: The HTTP error code. 2: The HTTP error message. */
 					__( 'The REST API call gave the following unexpected result: (%1$d) %2$s.' ),
 					wp_remote_retrieve_response_code( $r ),
-					wp_remote_retrieve_body( $r )
+					esc_html( wp_remote_retrieve_body( $r ) )
 				)
 			);
 		} else {

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-beta3-48607';
+$wp_version = '5.5-beta3-48608';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.