CVE-2017-5487 : wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php in the REST AP

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.

Published 2017-01-15 02:59:03

Updated 2017-09-01 01:29:36

Source MITRE

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2017-5487

Wordpress » Wordpress
Versions up to, including, (<=) 4.7
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2017-5487

Top countries where our scanners detected CVE-2017-5487

Top open port discovered on systems with this issue 80

IPs affected by CVE-2017-5487 25

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2017-5487!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2017-5487

EPSS FAQ

87.36%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 99 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-5487

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
5.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE ids for CVE-2017-5487

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-5487

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

REST API: Change which users are shown in the users endpoint. · WordPress/WordPress@daf3589 · GitHub
Patch
https://wpvulndb.com/vulnerabilities/8715

WordPress 4.7 - User Information Disclosure via REST API
https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/

News – WordPress 4.7.1 Security and Maintenance Release – WordPress.org
Vendor Advisory

CVEs referencing this url
https://www.exploit-db.com/exploits/41497/

WordPress < 4.7.1 - Username Enumeration
http://www.securitytracker.com/id/1037591

WordPress Bugs Let Remote Users Conduct Cross-Site Scripting and Cross-Site Request Forgery Attacks and Obtain Potentially Sensitive Information - SecurityTracker

CVEs referencing this url
http://www.securityfocus.com/bid/95391

WordPress Prior to 4.7.1 Information Disclosure Vulnerability
https://www.wordfence.com/blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/

Wordfence Blocks Username Harvesting via the New REST API in WP 4.7
Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/01/14/6

oss-security - Re: CVE Request: Wordpress: 8 security issues in 4.7
Mailing List;Third Party Advisory

CVEs referencing this url
https://codex.wordpress.org/Version_4.7.1

Version 4.7.1 | WordPress.org
Release Notes;Vendor Advisory

CVEs referencing this url