Ticket #28637: 28637b.diff

wp-includes/theme.php

@@ -898 +898 @@
 function get_theme_mod( $name, $default = false ) {
         $mods = get_theme_mods();
 
-        if ( isset( $mods[$name] ) ) {
+        if ( isset( $mods[$name] ) && ! empty( $mods[$name] ) ) {
                 /**
                  * Filter the theme modification, or 'theme_mod', value.
                  *