Script insecurity is everywhere for instance: htxp://www.derbeobachter.net/wp-content/plugins/nggallery/thickbox/thickbox-pack.js?ver=3.1.1
error:

error: line:4: SyntaxError: missing ; before statement:
error: line:4: Results from scanning URL: -http:/www.derbeobachter.net/wp-
error: line:4: ^
Read on error: https://developer.mozilla.org/pl/docs/Web/JavaScript/Reference/Errors/Missing_semicolon_before_statement

Where we have found that? Here in a site that is being blocked for me: uBlock₀ blocked the following:
htxps://bat.bing dot com/bat.js
Reason is the following filter
-||bat.bing.com^
This filter is listed here: EasyPrivacy

polonus