Hacked? or something else help

[Xencored]

On this page

http://www.myanimeisland.com/cafe/30-desktop-thread-4.html#post2163

It askes for

A user name and password are being requested by http://forum.golzarion.com. The site says: "to be upgraded"
Never even heard of this place

No idea whats going on please help

[H3C x Nevz]

This is exactly what's happening to my Forum.
You can see my Thread I made here by clicking here (https://vborg.vbsupport.ru/showthread.php?t=235856).

If anyone can work this out, please do!

[Marco van Herwaarden]

Most likely you are linking to an image on that site in either your style or in a post. As the site appears to have put up password protection, you are prompted for that password each time the offending image is loaded.