CVE-2016-6896

7.1 highEPSS 38%

High (7.1) in wordpress wordpress. EPSS 38% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

7.1 high

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

EPSS: 38% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2017-01-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

wordpress:wordpress

References

http://www.openwall.com/lists/oss-security/2016/08/20/1
http://www.securitytracker.com/id/1036683
https://sumofpwn.nl/advisory/2016/path_traversal_vulnerability_in_wordpress_core_ajax_handlers.html
https://wpvulndb.com/vulnerabilities/8606
https://www.exploit-db.com/exploits/40288/

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