Vulnerability CVE-2017-1001000
Published: 2017-04-02   Modified: 2017-04-03

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.

Type:

CWE-noinfo

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Wordpress -> Wordpress 
Oracle -> Flexcube private banking 

 References:
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/
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