Magento recently released a security update that fixes many vulnerabilities found in their software. If you are running a Magento installation without patch SUPEE-6285 we highly recommend you update immediately:

https://www.magentocommerce.com/products/downloads/magento/

If you are a customer with us, we will be in contact if this issue affects your account.

For more information on the security vulnerabilities fixed in this update, please visit the following link:

http://merch.docs.magento.com/ee/user_guide/Magento_Enterprise_Edition_User_Guide.html#magento/patch-releases-2015.html