Vulnerability CVE-2019-20043
Published: 2019-12-27

Description:
WordPress before 5.3.1 allowed an unauthenticated user to make a post sticky through the REST API because of missing access control in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php.

Type:

CWE-269

 (Improper Privilege Management)

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 

 References:
https://core.trac.wordpress.org/changeset/46893/trunk
https://github.com/WordPress/wordpress-develop/commit/1d1d5be7aa94608c04516cac4238e8c22b93c1d9
https://seclists.org/bugtraq/2020/Jan/8
https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/
https://wpvulndb.com/vulnerabilities/9973
https://www.debian.org/security/2020/dsa-4599
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