What’s Vulnerable › Vulnerabilities

CVE-2024-6167: Just Custom Fields <= 3.3.2 - Missing Authorization via AJAX actions

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-09 · updated 2026-06-17
• Weakness: CWE-862

Description

The Just Custom Fields plugin for WordPress is vulnerable to unauthorized access of functionality due to a missing capability check on several AJAX functions in all versions up to, and including, 3.3.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to invoke this functionality intended for admin users. This enables subscribers to manage field groups, change visibility of items among other things.

Affected products

• aprokopenko Just Custom Fields: through 3.3.2

References

• https://wordpress.org/plugins/just-custom-fields
• https://www.wordfence.com/threat-intel/vulnerabilities/id/14d71220-be60-498d-92ca-055f1c237060?source=cve
• https://wordpress.org/plugins/just-custom-fields
• https://www.wordfence.com/threat-intel/vulnerabilities/id/14d71220-be60-498d-92ca-055f1c237060?source=cve

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