Review reviewHigh

CVE-2026-15288

brainstormforce SureForms – Drag & Drop Contact Form & Form Builder, Payment Form, Survey, Quiz & Calculator

The SureForms – Drag and Drop Form Builder for WordPress plugin for WordPress is vulnerable to Improper Input Validation in all versions up to, and including, 2.2.1. This is due to the plugin accepting the payment amount directly from user-controlled POST data in the 'create_payment_intent' and 'create_subscription_intent' functions without validating it against the form's configured price. This makes it possible for unauthenticated attackers to modify the payment amount to any arbitrary value when submitting a Stripe payment form, potentially purchasing products or services at significantl...

CVSS: 7.5
EPSS: 0.34%
CISA KEV: Not listed
Published: 2026.07.10

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.34%

Technical severityCVSS 7.5

Vulnerability overview

Affected product and versions

Product: brainstormforce SureForms – Drag & Drop Contact Form & Form Builder, Payment Form, Survey, Quiz & Calculator
Affected versions: <= 2.2.1
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that brainstormforce SureForms – Drag & Drop Contact Form & Form Builder, Payment Form, Survey, Quiz & Calculator and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE: CWE-20