Software Update: WordPress 6.0.3

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Version 6.0.3 of WordPress has been released. With this program, which is made available under a GPL license, it is possible to set up and maintain a website or blog. WordPress is easy to set up and can be up and running within five minutes if a server with PHP and MySQL is already available. There are possibilities to further extend the functionality of WordPress with plugins and the appearance with themes to adjust. Version 6.0.3 is a so-called security release in which various security vulnerabilities have been fixed.

WordPress 6.0.3Security Release

This release features several security fixes. Because this is a security release, it is recommended that you update your sites immediately. All versions since WordPress 3.7 have also been updated. WordPress 6.0.3 is a short cycle release. The next major release will be version 6.1 planned for November 1, 2022.

If you have sites that support automatic background updates, the update process will begin automatically. You can download WordPress 6.0.3 from, or visit your WordPress Dashboard, click “Updates”, and then click “Update Now”. For more information on this release, please visit the HelpHub site.

Security updates included in this release

The security team would like to thank the following people for responsibly reporting vulnerabilities, and allowing them to be fixed in this release.

  • Stored XSS via wp-mail.php (post by email) – Toshitsugu Yoneyama or Mitsui Bussan Secure Directions, Inc. through JPCERT
  • Open redirect in `wp_nonce_ays` – devrayn
  • Sender’s email address is exposed in wp-mail.php – Toshitsugu Yoneyama of Mitsui Bussan Secure Directions, Inc. through JPCERT
  • Media Library – Reflected XSS via SQLi – Ben Bidner from the WordPress security team and Marc Montpas from Automattic independently discovered this issue
  • CSRF in wp-trackback.php – Simon Scannell
  • Stored XSS via the Customizer – Alex Concha from the WordPress security team
  • Revert shared user instances introduced in 50790 – Alex Concha and Ben Bidner from the WordPress security team
  • Stored XSS in WordPress Core via Comment Editing – Third-party security audit and Alex Concha from the WordPress security team
  • Data exposure via the REST Terms/Tags Endpoint – Than Taintor
  • Content from multipart emails leaked – Thomas Kraftner
  • SQL Injection due to improper sanitization in `WP_Date_Query` – Michael Mazzolini
  • RSS Widget: Stored XSS issue – Third-party security audit
  • Stored XSS in the search block – Alex Concha of the WP Security team
  • Feature Image Block: XSS issue – Third-party security audit
  • RSS Block: Stored XSS issue – Third-party security audit
  • Fix widget block XSS – Third-party security audit

Version number 6.0.3
Release status Final
Operating systems Script language
Website WordPress
License type GPL