New Post: Find Content Link values in CEWPs

I assume you mean script files references in the Content Link fields in Content Editor Web Parts? Take a look at the SPScriptAudit function.
https://spservices.codeplex.com/wikipage?title=$().SPServices.SPScriptAudit
To be honest, I haven't used it or tested it in a good long time, but this is its intended use.

M.