PostmarkApp Email Integrator Missing Authorization Vulnerability Allowing Access Control Exploitation

A missing authorization vulnerability has been identified in the PostmarkApp Email Integrator WordPress plugin, affecting versions through 2.4. This vulnerability allows unprivileged users to exploit incorrectly configured access control security levels, potentially leading to unauthorized actions or access.

Impact

Exploitation of this vulnerability could allow an unprivileged user to perform actions or access resources that require higher privileges, due to the missing authorization checks.

Remediation

Users are advised to remove and replace the PostmarkApp Email Integrator plugin, as it is likely abandoned and will not receive further updates or fixes. Deactivating the plugin does not eliminate the security threat unless a virtual patch is applied.