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Summary
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.