Insecure Direct Object Reference in ACF to REST API Plugin for WordPress
CVE-2025-12030

4.3MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
7 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-12030?

The ACF to REST API plugin for WordPress is susceptible to Insecure Direct Object Reference, enabling attackers with Contributor-level access and above to manipulate ACF fields for posts they do not own. This security issue stems from inadequate capability checks within the update_item_permissions_check() method, where the current user’s permissions are validated only at a generic level, without validating specific object permissions. Consequently, authenticated users can exploit this flaw to alter user accounts, comments, taxonomy terms, and even global settings via accessible API endpoints, posing a significant risk to WordPress site integrity.

Affected Version(s)

ACF to REST API * <= 3.3.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kai Aizen
.