A security defect was discovered in Foundry Frontend which enabled users to perform Stored XSS attacks in Slate if Foundry's CSP were to be bypassed. This defect was resolved with the release of Foundry Frontend 6.229.0. The service was rolled out to all affected Foundry instances. No further intervention is required.
https://palantir.safebase.us/?tcuUid=3c6b63b7-fb67-4202-a94a-9c83515efb8a