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WordPress 6.4.2 security updates

January 23, 2024

The latest version of WordPress, 6.4.2, became available on Pantheon as of December 6, 2023.


  • Security updates: Addressed a Remote Code Execution vulnerability. While not directly exploitable in Core, its potential severity was recognized, especially when combined with certain plugins, particularly in multisite installations.
  • 7 bug fixes in Core: Resolved an issue causing inconsistencies in stylesheet and theme directories.

Upgrade to WordPress 6.4.2 right from your Pantheon dashboard or Terminus for added security.