Nick, a password management system requires a back-end and quite a bit of security.
Xara does not have this natively. XT-CMS might be the best but it costs: https://www.talkgraphics.com/showthr...version-update.

WP is certainly a sensible approach if a bit OTT but the linking to a secured Xara design web page might be harder than you expect.

Acorn