[SECURITY-L] WordPress 4.7.5 Security and Maintenance Release

[CSIRT Unicamp]

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:

 1. Insufficient redirect validation in the HTTP class. Reported by
Ronni Skansing.
 2. Improper handling of post meta data values in the XML-RPC API.
Reported by Sam Thomas.
 3. Lack of capability checks for post meta data in the XML-RPC API.
Reported by Ben Bidner of the WordPress Security Team.
 4. A Cross Site Request Forgery (CRSF)  vulnerability was discovered in
the filesystem credentials dialog. Reported by Yorick Koster.
 5. A cross-site scripting (XSS) vulnerability was discovered when
attempting to upload very large files. Reported by Ronni Skansing.
 6. 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.

Download WordPress 4.7.5 or venture over to Dashboard → Updates and
simply click “Update Now.” Sites that support automatic background
updates are already beginning to update to WordPress 4.7.5.


More info:
https://wordpress.org/news/2017/05/wordpress-4-7-5/