Cross-site Scripting (XSS) Affecting wordpress package, versions <4.7.3+dfsg-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published12 Mar 2017
- disclosed12 Mar 2017
Introduced: 12 Mar 2017
CVE-2017-6814 (opens in a new tab)How to fix?
Upgrade Debian:unstable wordpress to version 4.7.3+dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream wordpress package and not the wordpress package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2017-6814
- http://www.debian.org/security/2017/dsa-3815
- https://github.com/WordPress/WordPress/commit/28f838ca3ee205b6f39cd2bf23eb4e5f52796bd7
- https://codex.wordpress.org/Version_4.7.3
- https://sumofpwn.nl/advisory/2016/wordpress_audio_playlist_functionality_is_affected_by_cross_site_scripting.html
- https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/
- https://wpvulndb.com/vulnerabilities/8765
- http://openwall.com/lists/oss-security/2017/03/06/8
- http://www.securityfocus.com/bid/96601
- http://www.securitytracker.com/id/1037959
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-6814