Re:OpenSilver – a plugin-free, open-source reimplementation ...
by Moto7451 on Monday March 09, 2020 @03:17PM
(#22528703)
Since it runs in the Browser JS sandbox there will be a lower security footprint than the NPAPI Silverlight plugin. JS libraries can certainly still cause other web security issues but you shouldn’t be able to escape the browser just because you’re running this library.
https://developer.chrome.com/apps/npapi