Easy Forms for Mailchimp < 6.9.0 - Admin+ Stored Cross-Site Scripting

Description The plugin does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfilteredhtml is disallowed 1 Create a new opt-in form 2 Edit the form, and add a "First name" field. 3 Update the form...