0-Magento-SUPEE-8788 EN Information.txt

The new Patch SUPEE-8788 provied design changes for Version lteq 1.8.0.0.

So you have to change your design first, before you apply the patch.

May your getting an error with the downloader/, DashboardController.php and Graph.php Block.
This is an failure in the patch file, because this changes will be provide with an other patch.
The easiest way is to remove this files from the patch file.

see also: http://magento.stackexchange.com/questions/140550/security-patch-supee-8788-possible-problems

1-Magento-SUPEE-8788 DE Information.txt

Der neue Patch ändert in älteren Magento Version (<= 1.8.0.0) Design Files.

Diese Änderungen müssen zuerst durchgeführt werden.

Es kann ebenfalls passieren, dass es Fehlermeldungen gibt aus diesen Dateien:
downloader/, DashboardController.php and Graph.php Block
Der einfachste Weg ist, diese Zeilen zu entfernen, da diese Änderungen bereits durch einen anderen Patch eingespielt wurden.

2-Changes Templates files

1.5.0.1-1.5.1.0
catalog/product/view.phtml
checkout/cart.phtml
checkout/onepage/review/info.phtml
customer/form/login.phtml
email/productalert/price.phtml
email/productalert/stock.phtml
review/form.phtml
sales/reorder/sidebar.phtml
tag/customer/view.phtml
wishlist/view.phtml

1.6.x.x
catalog/product/view.phtml
checkout/cart.phtml
checkout/onepage/review/info.phtml
customer/form/login.phtml
email/productalert/price.phtml
email/productalert/stock.phtml
persistent/customer/form/login.phtml
review/form.phtml
sales/reorder/sidebar.phtml
tag/customer/view.phtml
wishlist/view.phtml

1.7.0.x
catalog/product/view.phtml
checkout/cart.phtml
checkout/onepage/review/info.phtml
customer/form/login.phtml
persistent/customer/form/login.phtml
review/form.phtml
sales/reorder/sidebar.phtml
tag/customer/view.phtml
wishlist/view.phtml

1.8.0.0
checkout/cart.phtml
customer/form/login.phtml
persistent/customer/form/login.phtml
review/form.phtml
wishlist/view.phtml

3-Magento Patch notes

SUPEE-8788 
- This patch provides protection against several types of security-related issues, including remote code execution, information leaks and cross-site scripting. - Added Oct 11, 2016

DOWNLOAD
More information about the individual issues addressed by this patch is available in the patch details.

NOTE: if you have installed version 1 of the patch, it is recommended to do the following:
Revert SUPEE-8788 v1/
Revert SUPEE-1533 (if installed)
Install SUPEE-3941 (if not installed yet)
Install SUPEE-8788 v2

4-Updated CSS

If your using Loewenstark_Head you should update the value:

~# n98-magerun.phar config:set design/head/meta_version_tag `date +%Y%M%d`
~# n98-magerun.phar cache:clean