CVE-2017-6814: Debian Linux

Medium severity, CVSS 5.4. EPSS: 2.9% chance of exploitation in the next 30 days.

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 wp_playlist_shortcode function in wp-includes/media.php and (2) mishandling of meta information in the renderTracks function in wp-includes/js/mediaelement/wp-playlist.js.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• WordPress WordPress: up to and including 4.7.2

Published 2017-03-12. Last modified 2026-06-17.