**WordPress 4.7.1** Security and Maintenance Release
This is a security release for all previous versions and we strongly encourage you to update your sites immediately.
WordPress versions 4.7 and earlier are affected by eight security issues:
* Remote code execution (RCE) in PHPMailer – No specific issue appears to affect WordPress or any of the major plugins we investigated but, out of an abundance of caution, we updated PHPMailer in this release. This issue was reported to PHPMailer by Dawid Golunski and Paul Buonopane.
* 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. Reported by Krogsgard and Chris Jean.
* Cross-site scripting (XSS) via the plugin name or version header on update-core.php. Reported by Dominik Schilling of the WordPress Security Team.
* Cross-site request forgery (CSRF) bypass via uploading a Flash file. Reported by Abdullah Hussam.
* Cross-site scripting (XSS) via theme name fallback. Reported by Mehmet Ince.
* Post via email checks mail.example.com if default settings aren’t changed. Reported by John Blackbourn of the WordPress Security Team.
* A cross-site request forgery (CSRF) was discovered in the accessibility mode of widget editing. Reported by Ronnie Skansing.
* Weak cryptographic security for multisite activation key. Reported by Jack.
Thank you to the reporters for practicing responsible disclosure.
In addition to the security issues above, WordPress 4.7.1 fixes 62 bugs from 4.7. For more information, see the [release notes](https://codex.wordpress.org/Version_4.7.1) or consult the [list of changes](https://core.trac.wordpress.org/query?milestone=4.7.1).
SQL injection vulnerability in inc/mod/newsletter/options.php in GeniXCMS 0.0.8 allows remote authenticated administrators to execute arbitrary SQL commands via the recipient parameter to gxadmin/index.php.
Samsung Note devices with L(5.0/5.1), M(6.0), and N(7.0) software allow attackers to crash systemUI by leveraging incomplete exception handling. The Samsung ID is SVE-2016-7122.
named in ISC BIND 9.x before 9.9.9-P5, 9.10.x before 9.10.4-P5, and 9.11.x before 9.11.0-P2 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a malformed response to an RTYPE ANY query.
Samsung Note devices with KK(4.4), L(5.0/5.1), and M(6.0) software allow attackers to crash the system by creating an arbitrarily large number of active VR service threads. The Samsung ID is SVE-2016-7650.
named in ISC BIND 9.9.9-P4, 9.9.9-S6, 9.10.4-P4, and 9.11.0-P1 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a response containing an inconsistency among the DNSSEC-related RRsets.
named in ISC BIND 9.x before 9.9.9-P5, 9.10.x before 9.10.4-P5, and 9.11.x before 9.11.0-P2 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DS resource record in an answer.
system/libraries/Email.php in CodeIgniter before 3.1.3 allows remote attackers to execute arbitrary code by leveraging control over the email->from field to insert sendmail command-line arguments.
SQL injection vulnerability in inc/lib/Control/Backend/posts.control.php in GeniXCMS 0.0.8 allows remote authenticated administrators to execute arbitrary SQL commands via the id parameter to gxadmin/index.php.
SQL injection vulnerability in inc/lib/Control/Ajax/tags-ajax.control.php in GeniXCMS 0.0.8 allows remote authenticated editors to execute arbitrary SQL commands via the term parameter to the default URI.