In certain configurations, it was possible to log in as existing store customer while knowing only his email address, not his/her password.
Part of patch SUPEE-8788
This vulnerability affects the following application versions:
- Magento 1.8.0.0
- Magento 1.8.1.0
- Magento 1.9.0.0
- Magento 1.9.0.1
- Magento 1.9.1.0
- Magento 1.9.1.1
- 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