The WordPress project has posted a new release that includes some security fixes and general maintenance changes.
WordPress 4.8.2 is now available. This is a security release for all previous versions and we strongly encourage you to update your sites immediately.
WordPress versions 4.8.1 and earlier are affected by [several] security issues.
Issues include problems with prepared statements in SQL statements, XSS issues in several features, path traversal vulnerabilities as well as open redirect flaws. It's recommended that all WordPress users upgrade to this release to prevent exploit of these vulnerabilities either by downloading the latest release or by upgrading via the internal dashboard.