Ticket #11506: 11506.diff

wp-includes/functions.php

@@ -488 +488 @@
  * @package WordPress
  * @subpackage Option
  *
- * @param string $option_name Option name. Expected to not be SQL-escaped
+ * @param string $option_name Option name. Expected to not be SQL-escaped.  Cannot be null or blank.
  * @param mixed $newvalue Option value.
  * @return bool False if value was not updated and true if value was updated.
  */
 function update_option( $option_name, $newvalue ) {
         global $wpdb;
+        
+        $option_checker = trim( $option_name ); 
+        if( empty( $option_checker ) ) return false; 
 
         wp_protect_special_option( $option_name );