Email Subscribers by Icegram Express is a widely used WordPress plugin designed to help website administrators collect and manage email subscribers, as well as send newsletters and email notifications. However, a critical vulnerability has been found in the plugin, CVE-2024-11636, which allows attackers with editor-level access to inject malicious JavaScript into form fields. This stored Cross-Site Scripting (XSS) vulnerability can lead to account takeover by creating a backdoor that allows unauthorized users to gain full control of the site. With over 100,000 active installations, this flaw represents a serious security risk for WordPress sites using the plugin.
CVE-2024-11636 – Email Subscribers by Icegram Express – Stored XSS to JS Backdoor Creation – POC
