CVE-2026-19220 Forminator Forms < 1.57.1 - Unauthenticated Multisite Site Creation and Privilege Escalation
Unauthenticated attackers can create new sites on WordPress multisite networks and gain administrator privileges if site registration is enabled.
- 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-2026-19220?
CVE-2026-19220 is a low-severity vulnerability in Unknown Forminator Forms, published on 26 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Forminator Forms WordPress plugin before 1.57.1 does not verify that site registration is enabled on the network before creating a site signup, allowing unauthenticated visitors to create a new site on a WordPress multisite network and gain administrator privileges on it.
Weakness: CWE-269
Which versions are affected by CVE-2026-19220?
How do I fix CVE-2026-19220?
No fix has been published for CVE-2026-19220 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-19220 being exploited?
There is no known exploitation of CVE-2026-19220 in the wild and no public exploit code.
Sources
Also known as GHSA-wjxr-7w8m-64j5.