Deserialization of Untrusted Data vulnerability in ShapedPlugin LLC WP Tabs wp-expand-tabs-free allows Object Injection.This issue affects WP Tabs: from n/a through <= 2.2.12.
The WP Tabs WordPress plugin before 2.2.7 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).