CVE-2017-6814 Information

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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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4