Threat intelligence

Forminator – Contact Form, Payment Form & Custom Form Builder <= 1.52.0 - Missing Authorization to Unauthenticated Stripe PaymentIntent Reuse / Underpayment Bypass via 'paymentid' Parameter

CVE-2026-2729 · forminator

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Forminator at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Forminator – Contact Form, Payment Form & Custom Form Builder <= 1.52.0 - Missing Authorization to Unauthenticated Stripe PaymentIntent Reuse / Underpayment Bypass via 'paymentid' Parameter
Affected software: forminator(Plugin)
Affected versions: ≤ 1.52.0
Authentication: Unauthenticated
Vulnerability type: Other
CVE: CVE-2026-2729
Published: 4 May 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source: Data imported from Wordfence Intelligence (advisory 1afb94ab-b3ba-4598-8ff4-f9ffc6717371). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Forminator version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Forminator advisoriesBack to catalog