WordPress 4.7.3 is now available. This is a security release for all previous versions and we strongly encourage you to update your sites immediately.
WordPress versions 4.7.2 and earlier are affected by six security issues:
- Cross-site scripting (XSS) via media file metadata. Reported by Chris Andrè Dale, Yorick Koster, and Simon P. Briggs.
- Control characters can trick redirect URL validation. Reported by Daniel Chatfield.
- Unintended files can be deleted by administrators using the plugin deletion functionality. Reported by TrigInc and xuliang.
- Cross-site scripting (XSS) via video URL in YouTube embeds. Reported by Marc Montpas.
- Cross-site scripting (XSS) via taxonomy term names. Reported by Delta.
- Cross-site request forgery (CSRF) in Press This leading to excessive use of server resources. Reported by Sipke Mellema.
Thank you to the reporters for practicing responsible disclosure.
All our customers – as part of the service – update will be provided free of charge.