WordPress 4.7.5 Security and Maintenance Release

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.
Thank you to the reporters of these issues for practicing responsible disclosure.
In addition to the security issues above, WordPress 4.7.5 contains 3 maintenance fixes to the 4.7 release series. For more information, see the release notes or consult the list of changes.
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Source: https://managewp.org/articles/15136/wordpress-4-7-5-security-and-maintenance-release

source https://williechiu40.wordpress.com/2017/05/16/wordpress-4-7-5-security-and-maintenance-release/