CVE-2026-1782 – MetForm Pro <= 3.9.7 - Unauthenticated Payment Amount Manipulation via 'mf-calculation'

CVE ID :CVE-2026-1782

Published : April 15, 2026, 8:28 a.m. | 1 hour, 29 minutes ago

Description :The MetForm Pro plugin for WordPress is vulnerable to Improper Input Validation in all versions up to, and including, 3.9.7 This is due to the payment integrations (Stripe/PayPal) trusting a user-submitted calculation field value without recomputing or validating it against the configured form price. This makes it possible for unauthenticated attackers to manipulate the payment amount via the ‚mf-calculation‘ field in the form submission REST request granted there exists a specific form with this particular configuration.

Severity: 0.0 | NA

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