Description
Arbitrary code execution is possible in reduce-css-calc node module <=1.2.4 through crafted css. This makes cross sites scripting (XSS) possible on the client and arbitrary code injection possible on the server and user input is passed to the `calc` function.
Remediation
References
https://nodesecurity.io/advisories/144
https://gist.github.com/ChALkeR/415a41b561ebea9b341efbb40b802fc9