#VU23574 Improper access control in WordPress - CVE-2019-20043
Published: December 13, 2019 / Updated: January 8, 2020
Vulnerability identifier: #VU23574
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-20043
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
WordPress
WordPress
Software vendor:
WordPress.ORG
WordPress.ORG
Description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php. A remote authenticated attacker can bypass implemented security restrictions and make a post sticky via the REST API.
Remediation
Install updates from vendor's website.