CVE-2017-5487 EXPLOIT
5.3
MEDIUM · CVSS 3.0 · EPSS 87.3% (pctl 100)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.3 (MEDIUM, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| EPSS | 87.3% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-200 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-01-15 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| wordpress | wordpress |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | WordPress Core < 4.7.1 - Username Enumeration | 2017-03-03 |
References
- http://www.openwall.com/lists/oss-security/2017/01/14/6
- http://www.securityfocus.com/bid/95391
- http://www.securitytracker.com/id/1037591
- https://codex.wordpress.org/Version_4.7.1
- https://github.com/WordPress/WordPress/commit/daf358983cc1ce0c77bf6d2de2ebbb43df2add60
- https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
- https://wpvulndb.com/vulnerabilities/8715
- https://www.exploit-db.com/exploits/41497/
- 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
- http://www.securityfocus.com/bid/95391
- http://www.securitytracker.com/id/1037591
- https://codex.wordpress.org/Version_4.7.1
- https://github.com/WordPress/WordPress/commit/daf358983cc1ce0c77bf6d2de2ebbb43df2add60
- https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
- https://wpvulndb.com/vulnerabilities/8715
- https://www.exploit-db.com/exploits/41497/
- https://www.wordfence.com/blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/
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