Magento Community Edition 1.9.2.1 has been released, This release includes several significant security enhancements.

This is a security enhancement release with two Community edition security fixes and four Enterprise edition security fixes.

• Autoloaded File Inclusion in Magento SOAP API
• SSRF Vulnerability in WSDL File

Enterprise Edition Only

• Cross-site Scripting Using Unvalidated Headers
• XSS in Gift Registry Search

Resources:
– Magento CE Downloads
– Magento CE 1.9.2.1 Change-log