Ticket #44089: 44089.3.diff

src/wp-login.php

@@ -543 +543 @@
                 }
 
                 /**
+                 * Removes wp-postpass_ cookie on user logout
+                 *
+                 * @since 4.9.7
+                 *
+                 */
+                if ( isset( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] ) ) {
+
+                        unset( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] );
+                        setcookie( 'wp-postpass_' . COOKIEHASH, '', time() - ( 15 * 60 ) );
+
+                }
+
+                /**
                  * Filters the log out redirect URL.
                  *
                  * @since 4.2.0