spam on Livejournal?

[jodymeme]

Two of my Livejournal posts were just spammed. Real spam. Viagra spam.

http://jodymeme.livejournal.com/290909.html
http://jodymeme.livejournal.com/283528.html

It appears they are (or were) legitimate yet dormant accounts that were perhaps hijacked. Anybody else have this problem?