CVE-2026-18437 MailPress <= 1.5.0 - Missing Authorization to Unauthenticated Contact Updates

The MailerPress – Newsletter, email marketing & AI automation plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the mailerpress/v1/contact endpoint in all versions up to, and including, 1.5.0. This makes it possible for unauthenticated attackers to...