Problems at Wordpress could mean malicious plugins - while Dropbox admits it failed to enforce passwords for logins for four hours on Tuesday.
This article titled “WordPress.org plugins hacked, Dropbox lets its passwords down” was written by Charles Arthur, for guardian.co.uk on Wednesday 22nd June 2011 17.03 UTC
From the WordPress.org (that is, the code development site, not the blog hosting site, which is WordPress.com):
Earlier today the WordPress team noticed suspicious commits to several popular plugins (AddThis, WPtouch, and W3 Total Cache) containing cleverly disguised backdoors. We determined the commits were not from the authors, rolled them back, pushed updates to the plugins, and shut down access to the plugin repository while we looked for anything else unsavory.