WordPress 4.7.5 is now available. This is a security release for all previous versions and we strongly encourage you to update your sites immediately.
WordPress versions 4.7.4 and earlier are affected by six security issues:
- Insufficient redirect validation in the HTTP class. Reported by Ronni Skansing.
- Improper handling of post meta data values in the XML-RPC API. Reported by Sam Thomas.
- Lack of capability checks for post meta data in the XML-RPC API. Reported by Ben Bidner of the WordPress Security Team.
- A Cross Site Request Forgery (CRSF) vulnerability was discovered in the filesystem credentials dialog. Reported by Yorick Koster.
- A cross-site scripting (XSS) vulnerability was discovered when attempting to upload very large files. Reported by Ronni Skansing.
- A cross-site scripting (XSS) vulnerability was discovered related to the Customizer. Reported by Weston Ruter of the WordPress Security Team.
Source by WordPress blog