CVE-2026-109236
Customer Email Verification for WooCommerce <= 2.8.2 - Unauthenticated Authentication Bypass via Predictable Email-Verification Token to 'cusomer_email_verify' Parameter
- State
- Published
- Severity
- 4.8 Medium
- Published
- Oct 28, 2026
- Updated
- Oct 28, 2026
- Reserved
- Oct 12, 2026
Description
The Customer Email Verification for WooCommerce plugin for WordPress is vulnerable to Authentication Bypass via a Predictable Email-Verification Token in all versions up to, and including, 2.8.2. This is due to the `authenticate_user_by_email_link()` function — hooked on the `wp` action and triggered by the `cusomer_email_verify` GET parameter — lacking any capability check or nonce verification, while the `secret_code` it validates is generated as `md5(email . time())` and the `verify_otp_nonce` required to trigger token issuance via the `wp_ajax_nopriv_resend_otp` handler is emitted to every front-end visitor through `wp_localize_script`. This makes it possible for unauthenticated attackers to log in as a newly created, verified WooCommerce customer bound to an arbitrary email address — or to flip an existing account's `customer_email_verified` meta to verified — fully bypassing the plugin's core email-verification control. Exploitation requires the `cev_user_log` table to contain a `password` column, which is absent from the fresh-install schema shipped in version 2.8.2 but is present on sites upgraded from an older version where that column was defined.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.8 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N | Wordfence |
Weaknesses
- CWE-287 Improper Authentication
Affected Products
| Product | Versions |
|---|---|
Customer Email Verification for WooCommercezorem |
|
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/a2e9fa74-5501-4429-a500-1d4199571a34?source=cve
- https://plugins.trac.wordpress.org/browser/customer-email-verification-for-woocommerce/tags/2.8.2/includes/class-wc-customer-email-verification-signup.php#L616
- https://plugins.trac.wordpress.org/browser/customer-email-verification-for-woocommerce/tags/2.8.2/includes/class-wc-customer-email-verification-signup.php#L580
- https://plugins.trac.wordpress.org/browser/customer-email-verification-for-woocommerce/tags/2.8.2/includes/class-wc-customer-email-verification-signup.php#L274
- https://plugins.trac.wordpress.org/browser/customer-email-verification-for-woocommerce/tags/2.8.2/includes/class-wc-customer-email-verification-signup.php#L151
- https://plugins.trac.wordpress.org/browser/customer-email-verification-for-woocommerce/tags/2.8.2/includes/class-wc-customer-email-verification-signup.php#L119
- https://wordpress.org/plugins/customer-email-verification-for-woocommerce/#developers
- https://plugins.trac.wordpress.org/browser/customer-email-verification-for-woocommerce/tags/2.8.3/includes/class-wc-customer-email-verification-signup.php
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