Have someone who controls the domain and is logged in to their website admin area in another tab click a link you've crafted to steal and send you their delicio

Have someone who controls the domain and is logged in to their website admin area in another tab click a link you've crafted to steal and send you their delicious cookies. Or, any time this sort of thing comes up in a thread on a news website like this one, an opportunistic attacker could post a malicious payload in a link and watch as all the excited people blindly click away.