NPS computy < 2.7.6 - 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 “Settings > NPS Monitoring” 2. Add the payload "> in the “Title” field 3. Add the [nps-computy] shortcode to a page and view to see the XSS.