Don't click this link.
Which points off to:
http://home.graffiti.net/turkeyphant/loo
which then does the same thing as the other two ... tries to grab the authentification cookie and post itself into your journal.
Of course, in this case, if you take it at face value, you're OK!
Obviously, somebody found a security hole in L.J. and now "all the kids want to try it" ... I see over in lj_dev that several solutions are being discussed. Needless to say, it's better to "look first (to where the link is actually pointing) and click later". UPDATE: I just saw this in a post where a link that looked like it was a "plain URL link" (specifically to what purported to be an LJ post) was actually pointing to this site ... more reason to check where ANY link is going right now!