Merge pull request #1019 from wpscanteam/hash

remove scripts before calculating hashes

lib/wpscan/web_site.rb

@@ -91,15 +91,18 @@ class WebSite
   end
 
   # Compute the MD5 of the page
-  # Comments are deleted from the page to avoid cache generation details
+  # Comments and scripts are deleted from the page to avoid cache generation details
   #
   # @param [ String, Typhoeus::Response ] page The url of the response of the page
   #
   # @return [ String ] The MD5 hash of the page
   def self.page_hash(page)
     page = Browser.get(page, { followlocation: true, cache_ttl: 0 }) unless page.is_a?(Typhoeus::Response)
-
-    Digest::MD5.hexdigest(page.body.gsub(/<!--.*?-->/m, ''))
+    # remove comments
+    page = page.body.gsub(/<!--.*?-->/m, '')
+    # remove javascript stuff
+    page = page.gsub(/<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/m, '')
+    Digest::MD5.hexdigest(page)
   end
 
   def homepage_hash