writes "Mail server admins: you probably are fielding a lot of calls claiming that email is down. Before you panic, be aware that another Blackberry outage may be responsible for all the PHB's breathing down your neck."Link to Original Source
writes "Internet Explorer and Firefox both appear to have similar vulnerabilities that allow a website to hijack keystrokes and divert them to a file input box, which can then be used to upload arbitrary files to the server. Demos are available from that page."