The illi Link Party! WordPress plugin through 1.0 does not sanitise and escape some parameters, which could allow unauthenticated vistors to perform Cross-Site Scripting attacks.
The illi Link Party! WordPress plugin through 1.0 does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack.
The illi Link Party! WordPress plugin through 1.0 does not sanitize and escape some parameters, which could allow users with a role as low as admin to perform Cross-Site Scripting attacks.