CVE-2017-5487
Publication date 15 January 2017
Last updated 25 August 2025
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| wordpress | ||
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty | Not in release | |
Notes
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.3 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
References
Other references
- http://www.openwall.com/lists/oss-security/2017/01/14/1
- https://wpvulndb.com/vulnerabilities/8715
- https://github.com/WordPress/WordPress/commit/daf358983cc1ce0c77bf6d2de2ebbb43df2add60
- http://www.openwall.com/lists/oss-security/2017/01/14/6
- https://codex.wordpress.org/Version_4.7.1
- https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
- https://www.wordfence.com/blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/
- https://www.cve.org/CVERecord?id=CVE-2017-5487