MailPoet is a popular WordPress plugin that enables users to easily create and send newsletters, manage subscribers, and automate email campaigns. With over 600,000 active installations, it has become a trusted tool for WordPress users looking to enhance their email marketing capabilities. However, a critical vulnerability, CVE-2024-12743, has been discovered in the plugin that allows attackers to exploit Stored Cross-Site Scripting (XSS), leading to a potential account takeover and backdoor creation. This vulnerability affects users with editor-level privileges and can be triggered through the plugin’s form-building interface.
CVE-2024-12743 – MailPoet – Stored XSS to JS Backdoor Creation – POC
