Medium severity · published Mar 12, 2017
CVE-2017-6814
In WordPress before 4.7.3, there is authenticated Cross-Site Scripting (XSS) via Media File Metadata
5.4
CVSS
2.9%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
WordPress · WordPress
through 4.7.2 · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-6814
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-6814
Exploit
http://openwall.com/lists/oss-security/2017/03/06/8
Third Party Advisory
http://www.debian.org/security/2017/dsa-3815
Third Party Advisory
http://www.securityfocus.com/bid/96601
Third Party Advisory
http://www.securitytracker.com/id/1037959
Patch
https://codex.wordpress.org/Version_4.7.3
Issue Tracking
https://github.com/WordPress/WordPress/commit/28f838ca3ee205b6f39cd2bf23eb4e5f52796bd7
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