CVE-2026-8151

Description

The Simple Membership MailChimp Integration WordPress plugin before 1.9.8 does not have CSRF checks in its settings page, allowing attackers to trick a logged-in administrator into changing the configured third-party API key. Once replaced, all subsequent member registration data (name, email, membership level) is sent to the attacker-controlled account.

CVSS Vector

References

• https://plugins.trac.wordpress.org/browser/simple-membership-mailchimp-integration/trunk/swpm-mailchimp-admin-menu.php#L12
• https://wpscan.com/vulnerability/c7002cf8-83db-4e1f-a6e9-230293290635/