Text Typing < 2.2.2 - Contributor+ Stored XSS

The Text Typing WordPress plugin before 2.2.2 does not properly sanitize and escape a block attribute before storing it and later outputting it into a page element that is read and rendered by client-side script, allowing users with the Contributor role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of anyone viewing the affected page.