Website blacklisted - jquery-migrate.min.js issue....

Was blacklisted by Google Safebrowsing and is blacklisted by Bitdefeder TrafficLight: https://www.google.com/transparencyreport/safebrowsing/diagnostic/index.html#url=naturplanung.de
Website risk status 7 red out of 10: http://toolbar.netcraft.com/site_report?url=http://www.naturplanung.de
-http://naturplanung.de
Detected libraries:
jquery-migrate - 1.2.1 : -http://www.naturplanung.de/wp-includes/js/jquery/jquery-migrate.min.js?ver=94d10e41a9571cd2c46abec738dca0cd
Info: Severity: medium
http://bugs.jquery.com/ticket/11290
http://research.insecurelabs.org/jquery/test/
jquery - 1.11.3 : -http://www.naturplanung.de/wp-includes/js/jquery/jquery.js?ver=94d10e41a9571cd2c46abec738dca0cd
1 vulnerable library detected

Reversed DNS address is blocked by Avast webshield and flagged by AOS: -http://golf403.dedicatedpanel.com/
See: https://www.mywot.com/en/scorecard/golf403.dedicatedpanel.com?utm_source=addon&utm_content=rw-viewsc

pol

There is a http prefix, see: http://www.domxssscanner.com/scan?url=http%3A%2F%2Fwww.naturplanung.de
One should try deactivating all of plugins and clear the cache to see if it goes away.

As website is on dedicated hosting from kundenserver dot de, site should not have such code issues.
See: https://aw-snap.info/file-viewer/?tgt=http%3A%2F%2Fnaturplanung.de&ref_sel=GSP2&ua_sel=ff&fs=1
Re: http://www.domxssscanner.com/scan?url=http%3A%2F%2Fwww.naturplanung.de%2Fxmlrpc.php%3Frsd
Re: http://toolbar.netcraft.com/site_report?url=ns-de.1and1-dns.de
(risk status could be due to it being a first scan result)

The location line in the header above has redirected the request to: -http://www.naturplanung.de/

This is OK with A status: https://sritest.io/#report/ff907c7d-679f-4c9d-b7ab-6ac21af4c333

polonus(volunteer website security analyst and website error-hunter)