Fix: Customer Can't log in their account in Magento Store
Source Image: www.huffingtongpost.com Following an upgrade to magento 1.8.1 on our development servers , we noticed that customers are unable to login to their account. The issue is raising because the custom login form does not contain any form_key and there is a form key validation happening in loginPostAction of Magento. Here is the solution: Go to template/customer/form/login.phtml and template/persistent/customer/form/login.phtml and under <ul class="form-list"> add the following code in the login form <input type="hidden" name="form_key" value="<?php echo Mage::getSingleton('core/session')->getFormKey(); ?>" /> Here is a screenshot: http://screencast.com/t/wOLw4OcONA If you are using the login form in different templates then you use add the form_key to the other parts as well. I hope this helps. – We are aware that this issue also exists while updating the qty of cart items, the sa...