Does it come up all the time or only when accessing a certain site? Does the same thing happen with another browser? Have they ran any Anti-Virus scans, etc. Reset their browser.
Checking on that....Are they using the latest version of Firefox. I have read a little bit about it showing this error
Thanks. What is procedure he should follow for Resetting Firefox?Okay that sounds like what I have read. See below and some have fixed by Resetting Firefox? If it only happens with Firefox then that is probably the issue. If I find any more out I will let you now.
XSS attacks are used by inputting code into something like a textbox or login window and receiving a different reply.
The reply itself doesn't always lead to something bad, but it could give away info regarding the server that could be used to someone malicious' advantage.
It seems you're getting the message due to a redirect that wasn't supposed to happen.
He updated to latest Firefox browser last week.Checking on that....
Thanks!Ok, that is probably the issue then. Google is our friend here you go
https://www.tomsguide.com/us/reset-firefox-howto,news-18817.html
Thanks!I would totally ignore the warnings and just let no script keep blocking it
That is just an advert trying to insert itself via yahoo using a different base domain for the adverts scripts
Noscript is doing its job, let it keep on doing it
If you don't like or want these alerts the turn them off inside noscript settings, but if you are using the new FF 57 & new noscript V10, then good luck to you as the settings are now such a mess that you need an advanced degree in bio-mechanical rocket science with a side order of fermat's theorem to be able to do anything in FF 57