CVE-2025-3479: forminator forms — Fix

Description

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Order Replay in all versions up to, and including, 1.42.0 via the 'handle_stripe_single' function due to insufficient validation on a user controlled key. This makes it possible for unauthenticated attackers to reuse a single Stripe PaymentIntent for multiple transactions. Only the first transaction is processed via Stripe, but the plugin sends a successful email message for each transaction, which may trick an administrator into fulfilling each order.

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-354 CWE-354

Affected Products

Vendor	Product	Versions
wpmudev	forminator_forms	< 1.42.1

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/3274844/

Other References

https://plugins.trac.wordpress.org/browser/forminator/tags/1.41.2/library/modules/custom-forms/front/front-action.php#L964 https://www.wordfence.com/threat-intel/vulnerabilities/id/c873c04e-516e-41ee-a295-b8c5235abc1b?source=cve

Frequently Asked Questions

What is CVE-2025-3479? +

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Order Replay in all versions up to, and including, 1.42.0 via the 'handle_stripe_single' function due to insufficient validation on a user controlled key. This makes it possible for unauthenticated attackers to reuse a single Stripe PaymentIntent for multiple transactions. Only the first transaction is processed via Stripe, but the plugin sends a successful email message for each transaction, which may trick an administrator into fulfilling each order. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-3479? +

CVE-2025-3479 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-3479? +

CVE-2025-3479 affects products from wpmudev, specifically: forminator_forms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-3479? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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