Resource exhaustion in Formidable Forms

CVE-2026-85642

The Formidable Forms WordPress plugin before 7.0 does not verify the identity of the caller before recording the timestamp it uses to rate limit payment gateway verification requests, allowing unauthenticated attackers to consume the daily allowance and cause legitimate verification attempts to be refused for the next 24 hours.

Vulnerability class: DoS (Denial of Service)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Formidable Forms

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-85642?
CVE-2026-85642 is a high-severity vulnerability in Formidable Forms, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-10-21.
How severe is CVE-2026-85642?
High severity. CVSS v3 base score is 7.5 out of 10.