{"id":"CVE-2026-119075","aliases":["EUVD-2026-119150","GHSA-f92p-rvh5-3x75"],"status":"published","title":"Registration Form for WooCommerce \u003c= 1.1.4 - Unauthenticated Privilege Escalation to 'user_roles' Parameter at Checkout","description":"The Registration Form for WooCommerce plugin for WordPress is vulnerable to privilege escalation due to a missing allow-list check in the FormHandler::validate_checkout_fields() function in versions up to, and including, 1.1.4 The My Account registration path (validate_fields()) validates a submitted 'tgwcfb/user-roles' value against the form's configured allowed roles, but the checkout registration path (validate_checkout_fields(), hooked to woocommerce_after_checkout_validation) stores the raw $_POST['user_roles'] value in $this-\u003evalid_data without any allow-list enforcement, and add_user_data() then injects that value into woocommerce_new_customer_data as the new account's role. This makes it possible for unauthenticated attackers to elevate their privileges to Administrator by supplying a user_roles=administrator parameter when creating an account during checkout, resulting in full site takeover.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00535,"percentile":0.4549,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2026-11-07T11:26:30Z","modified":"2026-11-07T12:32:01Z","products":[{"vendor":"themegrill","product":"registration form for woocommerce"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/714d10b0-526c-4347-a369-85fc32ef3478?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/registration-form-for-woocommerce/tags/1.1.3/includes/FormHandler.php#L354"},{"url":"https://plugins.trac.wordpress.org/browser/registration-form-for-woocommerce/tags/1.1.3/includes/FormHandler.php#L407"},{"url":"https://plugins.trac.wordpress.org/changeset?old_path=%2Fregistration-form-for-woocommerce%2Ftags%2F1.1.4\u0026new_path=%2Fregistration-form-for-woocommerce%2Ftags%2F1.1.5"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119075"},{"url":"https://github.com/advisories/GHSA-f92p-rvh5-3x75"}],"sources":{"cve":[{"id":"CVE-2026-119075","title":"Registration Form for WooCommerce \u003c= 1.1.4 - Unauthenticated Privilege Escalation to 'user_roles' Parameter at Checkout","description":"The Registration Form for WooCommerce plugin for WordPress is vulnerable to privilege escalation due to a missing allow-list check in the FormHandler::validate_checkout_fields() function in versions up to, and including, 1.1.4 The My Account registration path (validate_fields()) validates a submitted 'tgwcfb/user-roles' value against the form's configured allowed roles, but the checkout registration path (validate_checkout_fields(), hooked to woocommerce_after_checkout_validation) stores the raw $_POST['user_roles'] value in $this-\u003evalid_data without any allow-list enforcement, and add_user_data() then injects that value into woocommerce_new_customer_data as the new account's role. This makes it possible for unauthenticated attackers to elevate their privileges to Administrator by supplying a user_roles=administrator parameter when creating an account during checkout, resulting in full site takeover.","status":"published","published":"2026-11-07T11:26:30.206Z","modified":"2026-11-07T18:26:31.03Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-269"],"updated_at":"2026-11-07T12:33:58.237937Z"}],"euvd":[{"id":"EUVD-2026-119150","description":"The Registration Form for WooCommerce plugin for WordPress is vulnerable to privilege escalation due to a missing allow-list check in the FormHandler::validate_checkout_fields() function in versions up to, and including, 1.1.4 The My Account registration path (validate_fields()) validates a submitted 'tgwcfb/user-roles' value against the form's configured allowed roles, but the checkout registration path (validate_checkout_fields(), hooked to woocommerce_after_checkout_validation) stores the raw $_POST['user_roles'] value in $this-\u003evalid_data without any allow-list enforcement, and add_user_data() then injects that value into woocommerce_new_customer_data as the new account's role. This makes it possible for unauthenticated attackers to elevate their privileges to Administrator by supplying a user_roles=administrator parameter when creating an account during checkout, resulting in full site takeover.","status":"published","published":"2026-11-07T11:26:30Z","modified":"2026-11-07T18:26:31Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-07T15:09:43.759879Z"}],"ghsa":[{"id":"GHSA-f92p-rvh5-3x75","title":"The Registration Form for WooCommerce plugin for WordPress is vulnerable to privilege escalation...","description":"The Registration Form for WooCommerce plugin for WordPress is vulnerable to privilege escalation due to a missing allow-list check in the FormHandler::validate_checkout_fields() function in versions up to, and including, 1.1.4 The My Account registration path (validate_fields()) validates a submitted 'tgwcfb/user-roles' value against the form's configured allowed roles, but the checkout registration path (validate_checkout_fields(), hooked to woocommerce_after_checkout_validation) stores the raw $_POST['user_roles'] value in $this-\u003evalid_data without any allow-list enforcement, and add_user_data() then injects that value into woocommerce_new_customer_data as the new account's role. This makes it possible for unauthenticated attackers to elevate their privileges to Administrator by supplying a user_roles=administrator parameter when creating an account during checkout, resulting in full site takeover.","status":"published","published":"2026-11-07T12:31:53Z","modified":"2026-11-07T12:32:01Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-269"],"updated_at":"2026-11-07T12:37:15.096654Z"}],"nvd":[{"id":"CVE-2026-119075","description":"The Registration Form for WooCommerce plugin for WordPress is vulnerable to privilege escalation due to a missing allow-list check in the FormHandler::validate_checkout_fields() function in versions up to, and including, 1.1.4 The My Account registration path (validate_fields()) validates a submitted 'tgwcfb/user-roles' value against the form's configured allowed roles, but the checkout registration path (validate_checkout_fields(), hooked to woocommerce_after_checkout_validation) stores the raw $_POST['user_roles'] value in $this-\u003evalid_data without any allow-list enforcement, and add_user_data() then injects that value into woocommerce_new_customer_data as the new account's role. This makes it possible for unauthenticated attackers to elevate their privileges to Administrator by supplying a user_roles=administrator parameter when creating an account during checkout, resulting in full site takeover.","status":"published","published":"2026-11-07T12:17:44.033Z","modified":"2026-11-07T19:17:19.637Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-269"],"updated_at":"2026-11-07T22:06:52.273278Z"}]}}