Rock Convert < 2.11.0 - Admin+ Stored Cross-Site Scripting

The plugin 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)

Go to the plugin's settings > Popup tab, click on "Cor de fundo", put the following payload in text field and save: "><script>alert(/XSS/)</script>