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CVE-2017-6814

Date: March 11, 2017

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.

Language: PHP

Severity Score

Related Resources (13)

https://codex.wordpress.org/Version_4.7.3
https://nvd.nist.gov/vuln/detail/CVE-2017-6814
http://www.securityfocus.com/bid/96601
https://security-tracker.debian.org/tracker/CVE-2017-6814
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-6814
http://www.debian.org/security/2017/dsa-3815
http://openwall.com/lists/oss-security/2017/03/06/8
https://github.com/WordPress/WordPress/commit/28f838ca3ee205b6f39cd2bf23eb4e5f52796bd7
https://wpvulndb.com/vulnerabilities/8765
https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/
http://www.securitytracker.com/id/1037959
https://sumofpwn.nl/advisory/2016/wordpress_audio_playlist_functionality_is_affected_by_cross_site_scripting.html
https://www.mend.io/vulnerability-database/CVE-2017-6814

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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