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WordPress 6.5.5 security update

June 24, 2024

The latest version of WordPress, 6.5.5, became available on Pantheon as of June 24, 2024.


  • Security updates: Addressed three security vulnerabilities in the HTML API, template part block type and on Windows-hosted sites respectively.
  • 3 additional bug fixes in Core

For more information about WordPress 6.5.5, visit the HelpHub page for version 6.5.5

Upgrade to WordPress 6.5.5 right from your Pantheon dashboard or Terminus for added security.