CVE-2025-14533 Advanced Custom Fields: Extended <= 0.9.2.1 - Unauthenticated Privilege Escalation via Insert User Form Action
Unauthenticated attackers can gain administrator access by supplying the administrator role during registration if the role field is mapped to a custom field.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-14533?
CVE-2025-14533 is a critical vulnerability in hwk-fr Advanced Custom Fields: Extended, published on 20 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 0.9.2.1. This is due to the 'insert_user' function not restricting the roles with which a user can register. This makes it possible for unauthenticated attackers to supply the 'administrator' role during registration and gain administrator access to the site. Note: The vulnerability can only be exploited if 'role' is mapped to the custom field.
Weakness: CWE-269
Which versions are affected by CVE-2025-14533?
How do I fix CVE-2025-14533?
No fix has been published for CVE-2025-14533 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-14533 being exploited?
There is no known exploitation of CVE-2025-14533 in the wild and no public exploit code.
Sources
Also known as GHSA-jm76-5g2j-p4hp.