Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in fastflow Fast Flow allows Reflected XSS. This issue affects Fast Flow: from n/a through 1.2.16.

The Fast Flow WordPress plugin before 1.2.13 does not sanitise and escape some of its Widget 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)

The Fast Flow WordPress plugin before 1.2.12 does not sanitise and escape the page parameter before outputting back in an attribute in an admin dashboard, leading to a Reflected Cross-Site Scripting