CVE-2017-6814: XSS
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 wpplaylistshortcode 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 Software
Remediation
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2017-6814?
CVE-2017-6814 is categorized as a Medium severity vulnerability due to the potential for authenticated Cross-Site Scripting (XSS).
How do I fix CVE-2017-6814?
To fix CVE-2017-6814, update WordPress to version 4.7.3 or later to mitigate the vulnerability.
Who is affected by CVE-2017-6814?
CVE-2017-6814 affects WordPress installations prior to 4.7.3, and specific versions of Debian Linux, notably 8.0 and 9.0.
What types of attacks can CVE-2017-6814 facilitate?
CVE-2017-6814 can facilitate authenticated Cross-Site Scripting (XSS) attacks, allowing attackers to inject malicious scripts.
How was CVE-2017-6814 discovered?
CVE-2017-6814 was discovered through the mishandling of media file metadata in WordPress, specifically within the playlist shortcode functionality.