To make sure post data for frontend shipping and cart is ignored when it fails form key check to avoid CSRF.
Part of update 1.9.4.5
This vulnerability affects the following application versions:
- Magento 1.9.2.0
- Magento 1.9.2.1
- Magento 1.9.2.2
- Magento 1.9.2.3
- Magento 1.9.2.4
- Magento 1.9.3.0
- Magento 1.9.3.1
- Magento 1.9.3.2
- Magento 1.9.3.3
- Magento 1.9.3.4
- Magento 1.9.3.6
- Magento 1.9.3.7
- Magento 1.9.3.8
- Magento 1.9.3.9
- Magento 1.9.3.10
- Magento 1.9.4.0
- Magento 1.9.4.1
- Magento 1.9.4.2
- Magento 1.9.4.3
- Magento 1.9.4.4