WordPress 6.5.5 Maintenance & Security Release

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:

• A cross-site scripting (XSS) vulnerability affecting the HTML API reported by Dennis Snell of the WordPress Core Team, along with Alex Concha and Grzegorz (Greg) Ziółkowski of the WordPress security team.
• A cross-site scripting (XSS) vulnerability affecting the Template Part block reported independently by Rafie Muhammad of Patchstack and during a third party security audit.
• A path traversal issue affecting sites hosted on Windows reported independently by Rafie M & Edouard L of Patchstack, David Fifield, x89, apple502j, and mishre.

See also the Upstream announcement