Description
WordPress Plugin Advanced Custom Fields (ACF) is prone to multiple security bypass vulnerabilities. Exploiting these issues may allow attackers to perform otherwise restricted actions and subsequently browse unauthorized data on the database, or move field groups. WordPress Plugin Advanced Custom Fields (ACF) version 5.10.2 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 5.11 or latest
References
https://jvn.jp/en/jp/JVN09136401/index.html
https://plugins.svn.wordpress.org/advanced-custom-fields/trunk/readme.txt
Related Vulnerabilities
PHP Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2010-1862)
Drupal Deserialization of Untrusted Data Vulnerability (CVE-2019-6338)
WordPress Plugin Multisite Global Search 'mssearch' Parameter Cross-Site Scripting (1.2.5)