CVE-2016-10148 : The wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress before 4.6 makes a get_plugin

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.

Published 2017-01-18 21:59:00

Updated 2017-03-16 01:59:01

Source MITRE

View at NVD, CVE.org

Vulnerability category: BypassGain privilege

Threat overview for CVE-2016-10148

Top countries where our scanners detected CVE-2016-10148

Top open port discovered on systems with this issue 80

IPs affected by CVE-2016-10148 13

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2016-10148!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2016-10148

Probability of exploitation activity in the next 30 days: 0.09%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 39 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2016-10148

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:P/I:N/A:N	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
4.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	2.8	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE ids for CVE-2016-10148

CWE-254

Assigned by: nvd@nist.gov (Primary)
CWE-284 Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-10148

https://core.trac.wordpress.org/changeset/38168

Changeset 38168 – WordPress Trac
Issue Tracking;Patch
https://sumofpwn.nl/advisory/2016/path_traversal_vulnerability_in_wordpress_core_ajax_handlers.html

Summer of Pwnage - Path traversal vulnerability in WordPress Core Ajax handlers
Technical Description;Third Party Advisory

CVEs referencing this url
http://www.securityfocus.com/bid/96847

WordPress 'wp_ajax_update_plugin()' Function Information Disclosure Vulnerability
http://www.openwall.com/lists/oss-security/2016/08/20/1

oss-security - Path traversal vulnerability in WordPress Core Ajax handlers
Mailing List;Third Party Advisory

CVEs referencing this url
https://core.trac.wordpress.org/ticket/37490

#37490 (Improve capability checks in wp_ajax_update_plugin() and wp_ajax_delete_plugin()) – WordPress Trac
Issue Tracking

Products affected by CVE-2016-10148