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WordPress 4.2.4 Security and Maintenance Release

Posted August 4, 2015 by Samuel Sidler. Filed under Releases, Security.

WordPress 4.2.4 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 six issues, including three cross-site scripting vulnerabilities and a potential SQL injection that could be used to compromise a site, which were discovered by Marc-Alexandre Montpas of Sucuri, Helen Hou-Sandí of the WordPress security team, Netanel Rubin of Check Point, and Ivan Grigorov. It also includes a fix for a potential timing side-channel attack, discovered by Johannes Schmitt of Scrutinizer, and prevents an attacker from locking a post from being edited, discovered by Mohamed A. Baset.

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

WordPress 4.2.4 also fixes four bugs. For more information, see the release notes or consult the list of changes.

Download WordPress 4.2.4 or venture over to Dashboard → Updates and simply click “Update Now.” Sites that support automatic background updates are already beginning to update to WordPress 4.2.4.

Already testing WordPress 4.3? The second release candidate is now available (zip) and it contains these fixes. For more on 4.3, see the RC 1 announcement post.

See Also:

For more WordPress news, check out the WordPress Planet.

There’s also a development P2 blog.

To see how active the project is check out our Trac timeline, it often has 20–30 updates per day.

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