Someone appears to be injecting code into my website.
I need a freelancer who is already familiar with the type of hacking described below and will be able to fix it quickly and efficiently.
I have already had a separate freelancer look through the code of the site carefully; he found nothing, but we re-submitted and were refused again.
I received this message from Google:
"We are seeing content on your site that we believe is injected by a hacker. The content may be cloaked, meaning that Google sees different content than what’s being shown to you or your visitors. You can use 'Fetch as Google' in Search Console to see the content that we are seeing. Learn about cloaking and 'Fetch as Google' here: https://support.google.com/webmasters/answer/2604723. Here is an example of hacked content on your site: "3Dヒアルロン酸・コラーゲン(うるおい成分)" (kxmgroup.dk)"
The hack injects Japanese-language content, while my site is entirely in English.
In particular, the hacked content comes up in a folder called "nodes", but we have no folder called nodes. For example:
When you click on these links, you get a 404.