CVE-2017-6814: Improper Neutralization of Input During Web Page Generation

In WordPress before 4.7.3, there is authenticated Cross-Site Scripting XSS via Media File Metadata. This is demonstrated by both 1 mishandling of the playlist shortcode in the wpplaylistshortcode function in wp-includes/media.php and 2 mishandling of meta information in the renderTracks function ...