vulnwire
5.4med

CVE-2017-6814

In WordPress before 4.7.3, there is authenticated Cross-Site Scripting (XSS) via Media File Metadata.

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.4
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.9%
percentile 87%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

2.87% probability of exploitation in the next 30 days, higher than 87% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.4CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD2.03.5AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds
WordPress (RSS, critical only)

References

  • github.com /WordPress/WordPress/commit/28f838ca3ee205b6f39cd2bf23eb4e5f52796bd7 · x_refsource_MISC, x_transferred
  • securitytracker.com /id/1037959 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • debian.org /security/2017/dsa-3815 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • wpvulndb.com /vulnerabilities/8765 · x_refsource_MISC, x_transferred
  • securityfocus.com /bid/96601 · vdb-entry, x_refsource_BID, x_transferred
  • sumofpwn.nl /advisory/2016/wordpress_audio_playlist_functionality_is_affected_by_cross_site_scripting. · x_refsource_MISC, x_transferred
  • wordpress.org /news/2017/03/wordpress-4-7-3-security-and-maintenance-release/ · x_refsource_MISC, x_transferred
  • openwall.com /lists/oss-security/2017/03/06/8 · x_refsource_MISC, x_transferred
  • codex.wordpress.org /Version_4.7.3 · x_refsource_MISC, x_transferred

Sources

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