Format String Error

I have run Zap scanning tool on my Grafana Project. we are using grafana 6.7.3 version.
Zap has reported Format String Error alert of medium severity. Below is detail of Alert -

Medium (Medium) Format String Error
Description A Format String error occurs when the submitted data of an input string is evaluated as a command by the application.
URL http://<IpAddress>/api/admin/users
Method POST
Parameter password
Attack ZAP%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s%n%s

Could you please let me know the resolution for the same.