WordPress Jitsi Shortcode <= 0.1 - Admin+ Stored XSS

Description 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)

PoC

1. Go to: https://example.com/wp-admin/admin.php?page=jitsi-wordpress-settings 2. Add the payload ">" to either of the inputs. 3. Save and and see the XSS.