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CVE-2026-12432

MEDIUM 5.3 CVSS 3.1
Published
June 27, 2026
Last modified
June 29, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

The WP Full Stripe Free plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 8.4.3 via the wpfs_update_failed_payment_status AJAX action. The handler is registered through both wp_ajax_ and wp_ajax_nopriv_ hooks and the underlying update_failed_payment_status() function performs no capability check, no nonce verification, and no logged-in check before calling $this->db->updatePaymentByEventId() with attacker-controlled POST parameters. This makes it possible for unauthenticated attackers who can obtain a valid Stripe Payment Intent ID for the target site (Payment Intent IDs are exposed to the customer browser during normal Stripe.js checkout flows) to manipulate payment records in the site's database, marking previously successful payments as failed and overwriting failure codes and messages with attacker-supplied values.

Affected WordPress components

  • Stripe Payment Forms by WP Full Pay – Accept Credit Card Payments, Donations & Subscriptions Plugin · wp-full-stripe-free
    Confirmed match Active
    Up to and including 8.4.3
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • themeisle Stripe Payment Forms by WP Full Pay – Accept Credit Card Payments, Donations & Subscriptions — Up to and including 8.4.3

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-full-stripe-free/tags/8.4.1/includes/wpfs-customer.php#L3840
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-full-stripe-free/tags/8.4.1/includes/wpfs-customer.php#L3865
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-full-stripe-free/tags/8.4.1/includes/wpfs-customer.php#L706
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-full-stripe-free/tags/8.4.1/includes/wpfs-database.php#L2652
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-full-stripe-free/tags/8.4.3/includes/wpfs-customer.php#L3840
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-full-stripe-free/tags/8.4.3/includes/wpfs-customer.php#L3865
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-full-stripe-free/tags/8.4.3/includes/wpfs-customer.php#L706
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-full-stripe-free/tags/8.4.3/includes/wpfs-database.php#L2652
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3584355%40wp-full-stripe-free&new=3584355%40wp-full-stripe-free&sfp_email=&sfph_mail=
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/c5811d13-0c5d-4a10-86a1-6318cc2e7663?source=cve
  • nvd.nist.gov Official NVD record