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WordPress 4.3.1 Security and Maintenance Release

WordPress 4.3.1 is now available. This is a security release for all previous versions and we strongly encourage you to update your sites immediately.

This release addresses three issues, including two cross-site scripting vulnerabilities and a potential privilege escalation.

  • WordPress versions 4.3 and earlier are vulnerable to a cross-site scripting vulnerability when processing shortcode tags (CVE-2015-5714). Reported by Shahar Tal and Netanel Rubin of Check Point .
  • A separate cross-site scripting vulnerability was found in the user list table. Reported by Ben Bidner of the WordPress security team.
  • Finally, in certain cases, users without proper permissions could publish private posts and make them sticky (CVE-2015-5715). Reported by Shahar Tal and Netanel Rubin of Check Point .

Our thanks to those who have practiced responsible disclosure  of security issues.

WordPress 4.3.1 also fixes twenty-six bugs. For more information, see the release notes  or consult the list of changes .

Download WordPress 4.3.1  or venture over to Dashboard → Updates and simply click “Update Now.” Sites that support automatic background updates are already beginning to update to WordPress 4.3.1.

Thanks to everyone who contributed to 4.3.1:

Adam Silverstein , Andrea FerciaAndrew Ozz , Boone Gorges , Brandon Kraft , chriscct7 , Daisuke Takahashi , Dion Hulse , Dominik Schilling , Drew Jaynes , dustinbolton , Gary Pendergast , hauvong , James Huff , Jeremy Felt , jobst , Marin Atanasov , Nick Halsey , nikeo , Nikolay Bachiyski , Pascal Birchler , Paul Ryan , Peter Wilson , Robert Chapin , Samuel Wood , Scott Taylor , Sergey Biryukov , tmatsuur , Tracy Levesque , Umesh Nevase , vortfu , welcher , Weston Ruter

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