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.
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
| Link | Tags |
|---|---|
| https://www.exploit-db.com/exploits/41497/ | exploit |
| https://wpvulndb.com/vulnerabilities/8715 | |
| https://codex.wordpress.org/Version_4.7.1 | release notes vendor advisory |
| https://github.com/WordPress/WordPress/commit/daf358983cc1ce0c77bf6d2de2ebbb43df2add60 | patch |
| http://www.openwall.com/lists/oss-security/2017/01/14/6 | third party advisory mailing list |
| https://www.wordfence.com/blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/ | third party advisory |
| http://www.securitytracker.com/id/1037591 | vdb entry |
| https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/ | vendor advisory |
| http://www.securityfocus.com/bid/95391 | vdb entry |