WordPress.org

AUX provides an XML-RPC function for running the built in WordPress auto-upgrade using XML-RPC.

The XML-RPC method to call : aux.autoUpgradeWP

Parameters to pass:

• site username
• site password
• WordPress version to upgrade to
• Locale of site (default: en_US)

XML-RPC must be enabled on your WordPres site. (Dashboard > Settings > Writing > Remote Publishing)

See https://github.com/karmadude/AUX for an example of using node.js to auto-upgrade multiple WordPress sites using AUX plugin.