The Mindstien Quick Login WordPress plugin through 1.0 does not correctly validate a value supplied in the request against the visitor's own session before authenticating them, allowing unauthenticated attackers to obtain a session as the administrator account the Mindstien Quick Login WordPress plugin through 1.0 is configured with.
https://wpscan.com/vulnerability/648d461c-6610-4566-a310-b02187d68cc9/