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)
1. Go to “Chaty > New Widget” 2. Create a new widget (make sure to select WhatsApp and add a WhatsApp Number) and use Burp to intercept the request 3. For the cht_social_Whatsapp[bg_color]
entry, add the payload #000000
4. View the site and see the XSS