The Simple Video Directory WordPress plugin before 1.4.3 does not properly sanitise and escape a parameter before using it in a SQL statement via an AJAX action available to unauthenticated users, leading to a SQL injection.
The Simple Video Directory WordPress plugin before 1.4.4 does not sanitise and escape some of its settings, which could allow contributors and higher to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)