Where in Mac OS are Shockwave plugins stored? I don't think I even have a Shockwave plugin, unless it came with the browser.  But if I do, I want to remove it and/or check the version number.  IDS detected a CVE-2010-3655 attack aimed at me.
https://www.lifewire.com/how-to-view-and-remove-safari-plug-ins-2260895

Safari-->Help-->Installed Plugins