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CVE-2026-19802

MEDIUM 4.3 CVSS 3.1
Published
September 9, 2026
Last modified
September 9, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Description

The Checkout Custom Fields Builder for WooCommerce plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.1.5. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to install and activate an arbitrary attacker-hosted plugin, resulting in remote code execution on the server. The required nonce is emitted inline on all admin pages accessible to subscribers when WooCommerce is inactive, meaning any subscriber-level user can harvest it and trigger the exploit without any additional privileges.

Affected WordPress components

  • Checkout Custom Fields Builder for WooCommerce Plugin · checkout-custom-fields-builder-for-woocommerce
    Confirmed match Active
    Up to and including 1.1.5
    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

  • stylemix Checkout Custom Fields Builder for WooCommerce — Up to and including 1.1.5

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/checkout-custom-fields-builder-for-woocommerce/tags/1.1.4/includes/Load.php#L150
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/checkout-custom-fields-builder-for-woocommerce/tags/1.1.4/includes/Load.php#L168
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/checkout-custom-fields-builder-for-woocommerce/tags/1.1.4/includes/Load.php#L195
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/checkout-custom-fields-builder-for-woocommerce/tags/1.1.4/includes/Load.php#L47
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3678996%40checkout-custom-fields-builder-for-woocommerce&new=3678996%40checkout-custom-fields-builder-for-woocommerce
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/6d780de5-d333-4af9-b9d8-0d6c8254dd05?source=cve
  • nvd.nist.gov Official NVD record