Ticket #10543: wp-includes-taxonomy.php.patch

wp-includes/taxonomy.php

@@ -1003 +1003 @@
                 // Back compat filters
                 if ( 'slug' == $field )
                         $value = apply_filters('pre_category_nicename', $value);
+                // DB validation
+                $value = wp_check_invalid_utf8($value, TRUE);
 
         } else if ( 'rss' == $context ) {
                 $value = apply_filters("term_${field}_rss", $value, $taxonomy);
@@ -1358 +1360 @@
         if ( is_int($term) && 0 == $term )
                 return new WP_Error('invalid_term_id', __('Invalid term ID'));
 
-        if ( '' == trim($term) )
-                return new WP_Error('empty_term_name', __('A name is required for this term'));
-
         $defaults = array( 'alias_of' => '', 'description' => '', 'parent' => 0, 'slug' => '');
         $args = wp_parse_args($args, $defaults);
         $args['name'] = $term;
@@ -1368 +1367 @@
         $args = sanitize_term($args, $taxonomy, 'db');
         extract($args, EXTR_SKIP);
 
+        if ( '' == trim($name) )
+                return new WP_Error('empty_term_name', __('A name is required for this term'));
+
         // expected_slashed ($name)
         $name = stripslashes($name);
         $description = stripslashes($description);