Login and Registration: Slash email address when updating an existing user.

Addresses an issue with password reset keys when the email address contains special characters such as apostrophes.

Props emirpprime, rajinsharwar, fnpen, hellofromTonya, oglekler, nicolefurlan.
Fixes #52529.
Built from https://develop.svn.wordpress.org/trunk@57711


git-svn-id: http://core.svn.wordpress.org/trunk@57212 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/user.php

@@ -2096,6 +2096,9 @@ function wp_insert_user( $userdata ) {
 			return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) );
 		}
 
+		// Slash current user email to compare it later with slashed new user email.
+		$old_user_data->user_email = wp_slash( $old_user_data->user_email );
+
 		// Hashed in wp_update_user(), plaintext if called directly.
 		$user_pass = ! empty( $userdata['user_pass'] ) ? $userdata['user_pass'] : $old_user_data->user_pass;
 	} else {

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.5-beta2-57710';
+$wp_version = '6.5-beta2-57711';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.