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Vulnerability record · CVE-2026-15288 · published 10 July 2026

CVE-2026-15288: Improper input validation vulnerability

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 significantly reduced prices.

7.5 CVSS 3.1 High EPSS 0.47% · top 62.1% CWE-20 · Improper input validation Deferred
7.5CVSS 3.1 base score
0.47%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
14 Jul 2026Last modified by NVD

Description

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 significantly reduced prices.

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

References

LinkTags
https://plugins.trac.wordpress.org/changeset/3427656/sureforms/tags/2.2.2/inc/payments/front-end.php
https://plugins.trac.wordpress.org/changeset/3427656/sureforms/tags/2.2.2/inc/payments/payment-helper.php
https://www.wordfence.com/threat-intel/vulnerabilities/id/8b0e0f22-de42-4da9-a0c1-ae41ba57be03?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-15288), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.