Dynamics 365 Customer Insights Spoofing Vulnerability

According to the CVSS metric, successful exploitation of this vulnerability could lead to some loss of integrity (I:L)? What does that mean for this vulnerability?
The attacker is only able to modify the content of the vulnerable link to redirect the victim to a malicious site.

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
The user would have to navigate to a page with malicious content to be compromised by the attacker.

According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?
The vulnerability is in the web server, but the malicious scripts execute in the victim’s browser on their machine.

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?
Any authenticated attacker could trigger this vulnerability. It does not require admin or other elevated privileges.

How do I get the update for Customer Insights - Journeys?
Customer Insights - Journeys updates are pushed to all customers automatically. Customer Insights - Journeys follows a phased deployment approach aligned with the platform deployment schedule. You can also update your solutions manually for early validations. Manual updates allow customers to apply and test updates on a sandbox instance before applying them to a production system. See Keep Dynamics 365 Customer Insights - Journeys up to date for more information.

Security updates
1.38813.80 — https://learn.microsoft.com/en-us/dynamics365/customer-insights/journeys/whats-new-marketing