CVE-2017-5487: WordPress

Medium severity, CVSS 5.3. EPSS: 87.3% chance of exploitation in the next 30 days.

wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php in the REST API implementation in WordPress 4.7 before 4.7.1 does not properly restrict listings of post authors, which allows remote attackers to obtain sensitive information via a wp-json/wp/v2/users request.

Affected products

• WordPress WordPress: up to and including 4.7

Published 2017-01-15. Last modified 2026-06-17.