Cross-site scripting (XSS) vulnerability in the theme-name fallback functionality in wp-includes/class-wp-theme.php in WordPress before 4.7.1 allows remote attackers to inject arbitrary web script or HTML via a crafted directory name of a theme, related to wp-admin/includes/class-theme-installer-skin.php.
https://www.mehmetince.net/low-severity-wordpress/
https://wpvulndb.com/vulnerabilities/8718
https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
https://github.com/WordPress/WordPress/commit/ce7fb2934dd111e6353784852de8aea2a938b359
https://codex.wordpress.org/Version_4.7.1
http://www.securitytracker.com/id/1037591
http://www.securityfocus.com/bid/95402