Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | <= 4.7.2 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://openwall.com/lists/oss-security/2017/03/06/8ExploitMailing ListThird Party Advisory
- http://www.debian.org/security/2017/dsa-3815Third Party Advisory
- http://www.securityfocus.com/bid/96601Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037959Third Party AdvisoryVDB Entry
- https://codex.wordpress.org/Version_4.7.3PatchVendor Advisory
- https://github.com/WordPress/WordPress/commit/28f838ca3ee205b6f39cd2bf23eb4e5f52Issue TrackingPatchThird Party Advisory
- https://sumofpwn.nl/advisory/2016/wordpress_audio_playlist_functionality_is_affeExploitThird Party Advisory
- https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-relePatchRelease NotesVendor Advisory
- https://wpvulndb.com/vulnerabilities/8765PatchThird Party Advisory
- http://openwall.com/lists/oss-security/2017/03/06/8ExploitMailing ListThird Party Advisory
- http://www.debian.org/security/2017/dsa-3815Third Party Advisory
- http://www.securityfocus.com/bid/96601Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037959Third Party AdvisoryVDB Entry
- https://codex.wordpress.org/Version_4.7.3PatchVendor Advisory
- https://github.com/WordPress/WordPress/commit/28f838ca3ee205b6f39cd2bf23eb4e5f52Issue TrackingPatchThird Party Advisory
FAQ
What is CVE-2017-6814?
CVE-2017-6814 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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_shortcod...
How severe is CVE-2017-6814?
CVE-2017-6814 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-6814?
Check the references section above for vendor advisories and patch information. Affected products include: Wordpress Wordpress, Debian Debian Linux.