The Himer WordPress theme before 2.1.1 does not have CSRF checks in some places, which could allow attackers to make logged in users perform unwanted actions via CSRF attacks. These include declining and accepting group invitations or leaving a group
The Himer WordPress theme before 2.1.1 does not sanitise and escape some of its Post settings, which could allow high privilege users such as Contributor to perform Stored Cross-Site Scripting attacks
The Himer WordPress theme before 2.1.1 does not have CSRF checks in some places, which could allow attackers to make users vote on any polls, including those they don't have access to via a CSRF attack
The Himer WordPress theme before 2.1.1 does not have CSRF checks in some places, which could allow attackers to make users join private groups via a CSRF attack