SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz <= 2.13.1 - Unauthenticated Payment Amount Manipulation via Calculated Hidden Amount Field

Medium 5.3 CWE-602Fixed in 2.14.0
ID
WPSEC-2026-3055
Plugin
SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz (sureforms)
Affected
from 2.11.1 before 2.14.0
Remediation
Update to 2.14.0 or later.
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness
CWE-602
Usage
Plugin Medium · Affected versions Low among sites WPSec scans, 2026-11-13
Attack surface
SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz on WPSec AttackSurface
Fix released
Published

Description

The SureForms plugin for WordPress is vulnerable to payment amount manipulation in versions 2.11.1 up to, and including, 2.13.1. This is due to the server-side payment amount check falling back to the form's minimum-amount floor when a calculation-enabled hidden field supplies the amount and its formula cannot be recomputed on the server. This makes it possible for unauthenticated attackers to pay less than the calculated price on forms that take their amount from such a field.

References

Published by WPSec. Provided as is, without warranty. Corrections: contact us.

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