Vulnerability Monitor

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CVE-2017-6814

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.4, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required requiring only low-level privileges . The vulnerability impacts limited data confidentiality, limited integrity, for affected systems. Impacting 2 products from wordpress, from debian organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2017, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2017-03-12T01:59:00.160

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 5.4 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

6.8

Impact Score

2.9

Weaknesses

Type: Primary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	wordpress	wordpress	≤ 4.7.2	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://openwall.com/lists/oss-security/2017/03/06/8 Exploit, Mailing List, Third Party Advisory ([email protected])
http://www.debian.org/security/2017/dsa-3815 Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/96601 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1037959 Third Party Advisory, VDB Entry ([email protected])
https://codex.wordpress.org/Version_4.7.3 Patch, Vendor Advisory ([email protected])
https://github.com/WordPress/WordPress/commit/28f838ca3ee205b6f39cd2bf23eb4e5f52796bd7 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://sumofpwn.nl/advisory/2016/wordpress_audio_playlist_functionality_is_affected_by_cross_site_scripting.html Exploit, Third Party Advisory ([email protected])
https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/ Patch, Release Notes, Vendor Advisory ([email protected])
https://wpvulndb.com/vulnerabilities/8765 Patch, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2017/03/06/8 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2017/dsa-3815 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/96601 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1037959 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://codex.wordpress.org/Version_4.7.3 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/WordPress/WordPress/commit/28f838ca3ee205b6f39cd2bf23eb4e5f52796bd7 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://sumofpwn.nl/advisory/2016/wordpress_audio_playlist_functionality_is_affected_by_cross_site_scripting.html Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/ Patch, Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://wpvulndb.com/vulnerabilities/8765 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For wordpress's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.