Just Custom Fields <= 3.3.2 - Missing Authorization on AJAX Actions

Missing Authorization
CVE CVE-2023-46203
CVSS 4.3 (Medium)
Publicly Published October 19, 2023
Last Updated October 23, 2023
Researcher Abdi Pranata


The Just Custom Fields plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on various AJAX actions in versions up to, and including, 3.3.2. This makes it possible for authenticated attackers, with subscriber-level access and above, to create, modify, and delete custom fields.



1 affected software package

Software Type Plugin
Software Slug just-custom-fields (view on wordpress.org)
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 3.3.2

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