Ticket #15203: 15203.diff

wp-admin/includes/export.php

@@ -117 +117 @@
          * @since 2.1.0
          *
          * @param string $str String to wrap in XML CDATA tag.
+         * @return string
          */
         function wxr_cdata( $str ) {
                 if ( seems_utf8( $str ) == false )
                         $str = utf8_encode( $str );
 
                 // $str = ent2ncr(esc_html($str));
-                $str = "<![CDATA[$str" . ( ( substr( $str, -1 ) == ']' ) ? ' ' : '' ) . ']]>';
+                $str = '<![CDATA[' . str_replace( ']]>', ']]]]><![CDATA[>', $str ) . ']]>';
 
                 return $str;
         }