Missing Authorization in Advanced Custom Fields - CVE-2021-20866
Published: December 2, 2021
Vulnerability identifier: #VU58479
CSH Severity: Low
CVSS v4 BT: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-20866
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to missing authorization related to user list obtaining. A remote authenticated attacker can obtain a list of information that an user do not have the privilege for.
Affected software
Advanced Custom Fields
How to mitigate CVE-2021-20866
Install updates from vendor's website.
Advanced Custom Fields - update to 5.11