CVE-2017-1001000 Information

Description

The register_routes function in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php in the REST API in WordPress 4.7.x before 4.7.2 does not require an integer identifier which allows remote attackers to modify arbitrary pages via a request for wp-json/wp/v2/posts followed by a numeric value and a non-numeric value as demonstrated by the wp-json/wp/v2/posts/123?id=123helloworld URI.

CVSS Vector

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

Reference

http://www.openwall.com/lists/oss-security/2017/02/10/16 http://www.securitytracker.com/id/1037731 https://blog.sucuri.net/2017/02/content-injection-vulnerability-wordpress-rest-api.html https://blogs.akamai.com/2017/02/wordpress-web-api-vulnerability.html https://codex.wordpress.org/Version_4.7.2 https://gist.github.com/leonjza/2244eb15510a0687ed93160c623762ab https://github.com/WordPress/WordPress/commit/e357195ce303017d517aff944644a7a1232926f7 https://make.wordpress.org/core/2017/02/01/disclosure-of-additional-security-fix-in-wordpress-4-7-2/ https://wordpress.org/news/2017/01/wordpress-4-7-2-security-release/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5