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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.001 (3.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-19220: held from 0.002 to 0.001.

EPSS over last 30 days · oldest: 0.002 · newest: 0.001 · change: -0.000

Affected products

  • 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.