The Real Cookie Banner: GDPR & ePrivacy Cookie Consent WordPress plugin before 5.1.6, real-cookie-banner-pro WordPress plugin before 5.1.6 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).
The Real Cookie Banner WordPress plugin before 3.4.10 does not validate and escapes some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as a contributor to perform Stored Cross-Site Scripting attacks against logged-in admins.
The WordPress Real Cookie Banner: GDPR (DSGVO) & ePrivacy Cookie Consent WordPress plugin before 2.14.2 does not have CSRF checks in place when resetting its settings, allowing attackers to make a logged in admin reset them via a CSRF attack