Seems you have some sort of userscript that is breaking. If you disable your extensions, does it still occur?
I installed Disable Content-Security-Policy and it works like a charm automatically with no scripting fixes or edits required; it seemed to already know what to do.
@inject-into contentis the only way I could get any scripts to execute on Derpibooru, so you also lose access to any JS object on the web page in the process.
https://derpibooru.org/search/reverse.jsonendpoint returns a 5XX error whenever it’s passed anything except for
nothingor a valid URL.
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