Customer Email Verification for WooCommerce <= 2.9.5 - Authentication Bypass via Shortcode

Vulnerability Description

The Customer Email Verification for WooCommerce plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 2.9.5. This is due to the presence of a shortcode that will generate a confirmation link with a placeholder email. This makes it possible for authenticated attackers, with Contributor-level access and above, to generate a verification link for any unverified user and log into the account. The 'Fine tune placement' option must be enabled in the plugin settings in order to exploit the vulnerability.

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/0b3798e3-45fe-4829-9012-dc728d4af87f?source=cve
• https://plugins.trac.wordpress.org/browser/emails-verification-for-woocommerce/tags/2.9.2/includes/class-alg-wc-ev-emails.php#L151
• https://plugins.trac.wordpress.org/changeset/3238136/