CVE-2017-5487

medium

Description

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.

References

https://www.wordfence.com/blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/

http://www.openwall.com/lists/oss-security/2017/01/14/6

https://www.exploit-db.com/exploits/41497/

https://github.com/PuddinCat/GithubRepoSpider

https://github.com/mr-won/cve-2017-5487

https://github.com/shacojx/WordPress-CVE-Exploit-POC

https://github.com/patilkr/wp-CVE-2017-5487-exploit

https://github.com/R3K1NG/wpUsersScan

https://github.com/teambugsbunny/wpUsersScan

https://wpvulndb.com/vulnerabilities/8715

https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/

https://github.com/WordPress/WordPress/commit/daf358983cc1ce0c77bf6d2de2ebbb43df2add60

https://codex.wordpress.org/Version_4.7.1

http://www.securitytracker.com/id/1037591

http://www.securityfocus.com/bid/95391

Details

Source: Mitre, NVD

Published: 2017-01-15

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

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

Severity: Medium

EPSS

EPSS: 0.87299