Privilege escalation in Forminator Forms

CVE-2026-19220

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.

Vulnerability class: Privilege Escalation

EPSS: 0.002 (5.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

  • Unknown Forminator Forms

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-19220?
CVE-2026-19220 is a low-severity vulnerability in Forminator Forms, classified under Improper Privilege Management. CVSS score: 3.7/10. Published 2026-08-26.
How severe is CVE-2026-19220?
Low severity. CVSS v3 base score is 3.7 out of 10.