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Vulnerability record · CVE-2026-6627 · published 5 August 2026

CVE-2026-6627: Missing authorization vulnerability

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.

8.2 CVSS 3.1 High EPSS 0.66% · top 50.4% CWE-862 · Missing authorization Deferred
8.2CVSS 3.1 base score
0.66%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
12 Aug 2026Last modified by NVD

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.

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

References

LinkTags
https://plugins.trac.wordpress.org/browser/wpformify/tags/1.1.1/modules/payments/stripe_authorization.php#L49
https://plugins.trac.wordpress.org/browser/wpformify/tags/1.1.1/modules/payments/stripe_authorization.php#L79
https://plugins.trac.wordpress.org/changeset?new=3557764%40wpformify%2Ftags%2F1.1.2&old=3299310%40wpformify/tags
https://www.wordfence.com/threat-intel/vulnerabilities/id/44cd696c-fff3-4942-b2c9-628ba281ba44?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-6627), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.