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CVE-2016-6896

HIGH 7.1 CVSS 3.0
Published
January 18, 2017
Last modified
June 17, 2026
NVD status
Modified
Reported by
cve@mitre.org
Weakness
CWE-22
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

Description

Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress 4.5.3 allows remote authenticated users to cause a denial of service or read certain text files via a .. (dot dot) in the plugin parameter to wp-admin/admin-ajax.php, as demonstrated by /dev/random read operations that deplete the entropy pool.

Affected WordPress components

  • WordPress core
    Confirmed match
    Version 4.5.3

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • n/a n/a — Versions not specified
  • wordpress wordpress — Version 4.5.3

References

  • www.openwall.com http://www.openwall.com/lists/oss-security/2016/08/20/1 Mailing List, Third Party Advisory
  • www.securitytracker.com http://www.securitytracker.com/id/1036683
  • sumofpwn.nl https://sumofpwn.nl/advisory/2016/path_traversal_vulnerability_in_wordpress_core_ajax_handlers.html Exploit, Technical Description, Third Party Advisory
  • wpvulndb.com https://wpvulndb.com/vulnerabilities/8606
  • www.exploit-db.com https://www.exploit-db.com/exploits/40288/
  • nvd.nist.gov Official NVD record