The Login by Auth0 plugin before 4.0.0 for WordPress allows stored XSS on multiple pages, a different issue than CVE-2020-5392.
https://github.com/auth0/wp-auth0/security/advisories/GHSA-59vf-cgfw-6h6v
https://github.com/auth0/wp-auth0/releases
https://auth0.com/docs/security/bulletins/2020-03-31_wpauth0