Version 5.5.12

On May 16, 2023, WordPress 5.5.12 was released to the public.

Installation/Update Information

To get this version, update automatically from the Dashboard > Updates menu in your site’s admin area or visit

For step-by-step instructions on installing and updating WordPress:

If you are new to WordPress, we recommend that you begin with the following:


Maintenance updates

This minor release features 20 bug fixes in Core and 10 bug fixes for the block editor. You can review a summary of the maintenance updates in this release by reading the Release Candidate announcement.

Security updates

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

  • Block themes parsing shortcodes in user generated data; thanks to Liam Gladdy of WP Engine for reporting this issue
  • A CSRF issue updating attachment thumbnails; reported by John Blackbourn of the WordPress security team
  • A flaw allowing XSS via open embed auto discovery; reported independently by Jakub Żoczek of Securitum and during a third party security audit
  • Bypassing of KSES sanitization in block attributes for low privileged users; discovered during a third party security audit.
  • A path traversal issue via translation files; reported independently by Ramuel Gall and during a third party security audit.


This release was led by Jb Audras, George Mamadashvili, Sergey Biryukov and Peter Wilson.

Thank you to everyone who helped make WordPress 6.2.1 happen:

Adam Silverstein, Aki Hamano, amin, Andrew Ozz, Andrew Serong, André, Ari Stathopoulos, Birgit Pauli-Haack, Chirag Rathod, Colin Stewart, Daniel Richards, David Baumwald, David Biňovec, Dennis Snell, devshagor, Dhrumil Kumbhani, Dominik Schilling, Ella, George Mamadashvili, Isabel Brison, Jb Audras, Joe Dolson, Joen A., John Blackbourn, Jonathan Desrosiers, JuanMa Garrido, Juliette Reinders Folmer, Kai Hao, Kailey (trepmal), Marc, Marine EVAIN, Matt Wiebe, Mukesh Panchal, nendeb, Nick Diego, nickpap, Nik Tsekouras, Pavan Patil, Peter Wilson, pouicpouic, Riad Benguella, Ryan Welcher, Scott Reilly, Sergey Biryukov, Stephen Bernhardt, tmatsuur, TobiasBg, Tonya Mork, Ugyen Dorji, Weston Ruter, and zieladam.

List of updated packages


List of Files Revised


First published

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