Description
The wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress before 4.6 makes a get_plugin_data call before checking the update_plugins capability, which allows remote authenticated users to bypass intended read-access restrictions via the plugin parameter to wp-admin/admin-ajax.php, a related issue to CVE-2016-6896.
Metrics
CVSS 3.0 4.3/10
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://www.openwall.com/lists/oss-security/2016/08/20/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/96847
- https://core.trac.wordpress.org/changeset/38168Issue Tracking, Patch
- https://core.trac.wordpress.org/ticket/37490Issue Tracking
- https://sumofpwn.nl/advisory/2016/path_traversal_vulnerability_in_wordpress_core_ajax_handlers.htmlTechnical Description, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/20/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/96847
- https://core.trac.wordpress.org/changeset/38168Issue Tracking, Patch
- https://core.trac.wordpress.org/ticket/37490Issue Tracking
- https://sumofpwn.nl/advisory/2016/path_traversal_vulnerability_in_wordpress_core_ajax_handlers.htmlTechnical Description, Third Party Advisory
Timeline
- Published
- Jan 18, 2017
- Last modified
- Jun 17, 2026
- NVD status
- Modified