The Advance Post Prefix WordPress plugin through 1.1.1, Advance Post Prefix WordPress plugin through 1.1.1 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
The Advance Post Prefix WordPress plugin through 1.1.1 does not sanitize and escape a parameter before using it in a SQL statement, allowing admins and above to perform SQL injection attacks