The MPG WordPress plugin before 4.2.3 does not properly validate the structure of imported project data before using it in a database query, allowing users with the Editor role or higher to perform SQL injection attacks and read sensitive data such as password hashes.

The MPG WordPress plugin before 4.2.3 does not properly validate the structure of imported project data before using it in a database query, allowing users with the Editor role or higher to perform SQL injection attacks and read sensitive data such as password hashes.