Cross-site scripting (XSS) vulnerability in the wp_get_attachment_link function in wp-includes/post-template.php in WordPress before 4.5.3 allows remote attackers to inject arbitrary web script or HTML via a crafted attachment name, a different vulnerability than CVE-2016-5833.
https://wpvulndb.com/vulnerabilities/8518
https://wordpress.org/news/2016/06/wordpress-4-5-3/
https://github.com/WordPress/WordPress/commit/4372cdf45d0f49c74bbd4d60db7281de83e32648
https://codex.wordpress.org/Version_4.5.3
http://www.securitytracker.com/id/1036163