What is CVE-2026-74991?

CVE-2026-74991 is a medium-severity vulnerability in Wpforms, classified under Improper Access Control. CVSS score: 6.8/10. Published 2026-09-24.

How severe is CVE-2026-74991?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Wpforms

CVE-2026-74991

The WPForms WordPress plugin before 2.0.2 does not verify that a Stripe payment object supplied during a public form submission belongs to it before acting on it, allowing unauthenticated users to trigger a full refund and an immediate subscription cancellation against payments created by other applications on the site owner's Stripe account.

Published 2026-09-24 · last modified 2026-09-24.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.001 (2.5th percentile), scored 2026-09-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Wpforms

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

wpscan.com/vulnerability/e539d37e-91bb-4d79-b812-ac3c6c1a0f70/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-74991?: CVE-2026-74991 is a medium-severity vulnerability in Wpforms, classified under Improper Access Control. CVSS score: 6.8/10. Published 2026-09-24.
How severe is CVE-2026-74991?: Medium severity. CVSS v3 base score is 6.8 out of 10.