Release Date – 11 Jan, 2017,
- Remote code execution (RCE) in PHPMailer – No specific issue appears to affect WordPress or any of the major plugins investigated but, updated PHPMailer in this release as a caution.
- The REST API exposed user data for all users who had authored a post of a public post type. WordPress 4.7.1 limits this to only post types which have specified that they should be shown within the REST API.
- Cross-site scripting (XSS) via the plugin name or version header on update-core.php.
- Cross-site request forgery (CSRF) bypass via uploading a Flash file.
- Cross-site scripting (XSS) via theme name fallback.
- Post via email checks mail.example.com if default settings aren’t changed.
- A cross-site request forgery (CSRF) was discovered in the accessibility mode of widget editing.
- Weak cryptographic security for multisite activation key.
For information check out wordpress.org