In WordPress before 4.7.3, there is authenticated Cross-Site Scripting (XSS)...
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/WordPress/WordPress/commit/28f838ca3ee205b6f39cd2bf23eb4e5f52796bd7
- http://www.securitytracker.com/id/1037959
- http://www.debian.org/security/2017/dsa-3815
- https://wpvulndb.com/vulnerabilities/8765
- http://www.securityfocus.com/bid/96601
- 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/
- http://openwall.com/lists/oss-security/2017/03/06/8
- https://codex.wordpress.org/Version_4.7.3
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.