CVE-2026-6627
Received Received - Intake

Unauthenticated Stripe Credential Modification in WPFormify

Publication date: 2026-08-05

Last updated on: 2026-08-05

Assigner: Wordfence

Description
The WPFormify – Stripe Payments with Form and Checkout plugin for WordPress is vulnerable to unauthorized modification and deletion of Stripe payment credentials in all versions up to, and including, 1.1.1. This is due to missing capability checks and nonce verification on the `wpf_stripe_callback_success()` and `wpf_stripe_disconnect()` functions, both hooked to `admin_init`. The `admin_init` hook fires on `admin-post.php` which is accessible without authentication. This makes it possible for unauthenticated attackers to overwrite the site's Stripe API credentials with attacker-controlled values (redirecting payments to the attacker's Stripe account) or disconnect the Stripe integration entirely by deleting the stored credentials.

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Meta Information

Published
2026-08-05
Last Modified
2026-08-05
Generated
2026-08-05
AI Q&A
2026-08-05
EPSS Evaluated
N/A
NVD
CVE-2026-6627
EUVD
EUVD-2026-53173

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wpformify stripe_payments_with_form_and_checkout to 1.1.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

The WPFormify – Stripe Payments with Form and Checkout plugin for WordPress has a vulnerability that allows unauthorized modification and deletion of Stripe payment credentials. This occurs due to missing capability checks and nonce verification on specific functions. Attackers can exploit this to overwrite Stripe API credentials or disconnect the integration entirely.

Detection Guidance

Check WordPress admin logs for unauthorized changes to Stripe credentials or disconnections. Inspect the plugin files for the vulnerable functions wpf_stripe_callback_success() and wpf_stripe_disconnect() in versions up to 1.1.1.

Impact Analysis

Unauthenticated attackers could redirect payments to their own Stripe account by changing the site's Stripe credentials. They could also disable the Stripe integration, preventing legitimate payments from being processed. This could lead to financial loss and disruption of payment services.

Compliance Impact

This vulnerability could lead to unauthorized access and modification of payment credentials, potentially exposing sensitive payment data. For GDPR, this may result in unauthorized processing of personal data, violating principles of lawfulness and security. For HIPAA, it could compromise protected health information if payment data is linked to healthcare transactions.

Mitigation Strategies

Update the WPFormify plugin to the latest version immediately. If an update is unavailable, disable the plugin until a patch is released. Review Stripe API credentials for unauthorized changes and revoke any suspicious connections.

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