Unvalidated input and lack of output encoding in the ThirstyAffiliates Affiliate Link Manager WordPress plugin, versions before 3.9.3, was vulnerable to authenticated Stored Cross-Site Scripting (XSS), which could lead to privilege escalation.
https://wpscan.com/vulnerability/1fbd9f7a-6f99-45a2-9d57-01631a1f35d6