CVE-2026-19652 Divi Membership <= 2.2.0 - Unauthenticated Privilege Escalation via 'form_id' Parameter
Unauthenticated attackers can escalate privileges to administrator by manipulating the form_id parameter in the Divi Membership plugin, leading to full site takeover.
- 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-2026-19652?
CVE-2026-19652 is a critical vulnerability in DiviEngine Divi Membership, published on 2 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Divi Membership plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 2.2.0. This is due to the `dmem_form_submit_handler()` function determining the new user's role by iterating all WordPress roles and calling `password_verify()` against an attacker-controlled bcrypt hash supplied in the `form_id` POST parameter, with no validation or whitelist of allowed roles. This makes it possible for unauthenticated attackers to register a new account with the administrator role by submitting a locally computed bcrypt hash of `administrator` as `form_id`, and when `auto_login=on` is submitted, be immediately authenticated as that administrator in the same request, resulting in full site takeover. Exploitation requires a WordPress nonce, but that nonce is publicly emitted on any page rendering the Divi Membership registration form and is therefore obtainable by any unauthenticated visitor.
Weakness: CWE-269
Which versions are affected by CVE-2026-19652?
How do I fix CVE-2026-19652?
No fix has been published for CVE-2026-19652 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-19652 being exploited?
There is no known exploitation of CVE-2026-19652 in the wild and no public exploit code.
Sources
Also known as GHSA-f7mc-wpjj-g5hj.