Wordpress team has found a vulnerability in the Snoopy library . Snoopy is used by Wordpress to fetch the feeds shown in the Dashboard.

Although this vulnerability has been tagged as a very low risk vulnerability. You can download the following two files and overwrite them in your 2.6.2 installation folder to upgrade to 2.6.3 :

1. wp-includes/class-snoopy.php
2. wp-includes/version.php

The whole 2.6.3 release can be downloaded from here.