Heads up to anyone using Woo Themes, there’s a vulnerability in the “shortcode preview generator” within the Woo Framework. This needs patching asap.
https://www.woothemes.com/2012/04/framework-shortcode-exploit-has-been-fixed/
Credit to Woo, they have handled the release of their security update well, despite being in the throes of a DDOS attack themselves.
Expect to see the bots coming looking for that exploit very soon!