What’s Vulnerable › Vulnerabilities

CVE-2017-6814

• Severity: medium (CVSS 5.4 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-03-12 · updated 2026-06-17
• Weakness: CWE-79

Description

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 Linux: 8.0, 9.0
• WordPress: through 4.7.2

References

• http://openwall.com/lists/oss-security/2017/03/06/8
• http://www.debian.org/security/2017/dsa-3815
• http://www.securityfocus.com/bid/96601
• http://www.securitytracker.com/id/1037959
• https://codex.wordpress.org/Version_4.7.3
• https://github.com/WordPress/WordPress/commit/28f838ca3ee205b6f39cd2bf23eb4e5f52796bd7
• https://sumofpwn.nl/advisory/2016/wordpress_audio_playlist_functionality_is_affected_by_cross_site_scripting.html
• https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/
• https://wpvulndb.com/vulnerabilities/8765
• http://openwall.com/lists/oss-security/2017/03/06/8
• http://www.debian.org/security/2017/dsa-3815
• http://www.securityfocus.com/bid/96601

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