CVE-2026-85123 Easy Form Builder 4.0.0 - 4.1.3 - Unauthenticated Registration Policy Bypass via Login Form Type Confusion

Medium 5.3 Published Updated

Unauthenticated attackers can bypass disabled registration settings to create WordPress accounts on sites using Easy Form Builder.

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-2026-85123?

CVE-2026-85123 is a medium-severity authentication bypass vulnerability in Unknown Easy Form Builder by WhiteStudio, published on 18 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Easy Form Builder by WhiteStudio WordPress plugin before 4.2.0 does not validate a submitted value against the stored configuration for some of its form types, allowing unauthenticated users to create WordPress accounts on a site whose owner has disabled registration.

Weakness: CWE-284

Which versions are affected by CVE-2026-85123?

How do I fix CVE-2026-85123?

No fix has been published for CVE-2026-85123 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-85123 being exploited?

There is no known exploitation of CVE-2026-85123 in the wild and no public exploit code.

Sources

Also known as GHSA-77hc-376p-97j9.

Is CVE-2026-85123 in your software?

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