Magento released SUPEE-10570 which contains multiple security enhancements that help close remote code execution (RCE), cross-site scripting (XSS), and other issues.
There are 2 ways you can install SUPEE 10570: with SSH or without SSH.
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Both methods can be found on our blog post: How to Install Magento SUPEE 10570 With or Without SSH in detail.
