CVE-2026-12394 MemberGlut CVE debrief

Who should care

Users of the MemberGlut WordPress plugin, particularly those with versions before 1.1.5, should be aware of this vulnerability and take immediate action to update the plugin to prevent potential exploitation. Site administrators, security teams, and operators should review the vulnerability and implement necessary mitigations to prevent exploitation.

Technical summary

The MemberGlut WordPress plugin before 1.1.5 lacks proper validation of user roles during front-end registration. This oversight allows unauthenticated users to register with arbitrary roles, including the administrator role. Successful exploitation of this vulnerability could lead to full site compromise, as an attacker could gain elevated privileges and control over the WordPress site. The vulnerability has a high impact on the confidentiality, integrity, and availability of the WordPress site.

Defensive priority

High

Recommended defensive actions

• Update the MemberGlut WordPress plugin to version 1.1.5 or later
• Monitor user registration activity for suspicious behavior
• Implement additional security measures, such as two-factor authentication and role-based access control
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-07-27T07:16:24.383Z and has not been modified since then. The NVD entry is currently Received. There is limited information available about the vulnerability, and defenders should verify the affected scope and severity with the vendor. The MemberGlut WordPress plugin before 1.1.5 does not validate the role chosen during front-end registration, allowing unauthenticated users to register an account with an arbitrary role, including administrator, leading to full site compromise. Evidence is limited to the CVE record and NVD entry.

Official resources