WordPress 4.5.3, a security update, was released today. The update addresses security issues for all previous versions, so update immediately.
What To Find In WordPress 4.5.3
Problems include redirect bypass in the customizer, two different XSS problems, password change via stolen cookie, and more.
Along with the security fixes, the update addresses 17 bugs from 4.5.2 and 4.5.1. A full review of changes can be found on the change list.
All vulnerabilities were found by many members of the community. It is the constant vigilance of the community that keeps WordPress safe for all users.
To update, go to updates on your Dashboard and choose “Update Now.” If you have automatic updates enabled, your site will be working on the update right now.