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Description

The Forminator plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.52.0. This is due to the plugin not properly verifying that a user is authorized to perform an action when processing attacker-supplied Stripe PaymentIntent identifiers in the public payment flow. This makes it possible for unauthenticated attackers to submit high-value paid forms as completed by reusing a previously succeeded low-value Stripe PaymentIntent, resulting in underpayment/payment bypass conditions.

PUBLISHED Reserved 2026-02-19 | Published 2026-05-05 | Updated 2026-05-05 | Assigner Wordfence




MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Problem types

CWE-639 Authorization Bypass Through User-Controlled Key

Product status

Default status
unaffected

Any version
affected

Timeline

2026-02-19:Vendor Notified
2026-05-04:Disclosed

Credits

Kittipat Jitphonchana finder

References

www.wordfence.com/...-b3ba-4598-8ff4-f9ffc6717371?source=cve

plugins.trac.wordpress.org/changeset/3500669/forminator

cve.org (CVE-2026-2729)

nvd.nist.gov (CVE-2026-2729)

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