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CVE-2017-6814

5.4 · MEDIUM

In WordPress before 4.7.3, there is authenticated Cross-Site Scripting (XSS) via Media File Metadata.

Published Mar 12, 2017CWE-79EPSS 2.87%

Overview

CVE-2017-6814 is a medium-severity vulnerability. It was published on March 12, 2017 and has a CVSS 3.0 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refopenwall.com/lists/oss-security/2017/03/06/8Refwww.debian.org/security/2017/dsa-3815Refwww.securityfocus.com/bid/96601Refwww.securitytracker.com/id/1037959Refcodex.wordpress.org/Version_4.7.3GitHubgithub.com/WordPress/WordPress/commit/28f838ca3ee205b6f39cd2bf23eb4e5f52796bd7Refsumofpwn.nl/advisory/2016/wordpress_audio_playlist_functionality_is_affected_by_cross_site_scripting.htmlRefwordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/Refwpvulndb.com/vulnerabilities/8765Refopenwall.com/lists/oss-security/2017/03/06/8

How CyberStrike helps

Frequently asked questions

What is CVE-2017-6814?

CVE-2017-6814 is a medium-severity vulnerability. It was published on March 12, 2017 and has a CVSS 3.0 base score of 5.4 (MEDIUM).

How severe is CVE-2017-6814?

This vulnerability has a CVSS 3.0 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-6814?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-6814?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-6814 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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