A defense-in-depth check was added to mitigate inadequate session validation handling by 3rd party checkout modules.
Part of update Magento 2.3.2, 2.2.9 and 2.1.18 Security Update 3/3
This vulnerability affects the following application versions:
- 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
- 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 1.9.4.3