CmdrTaco from the uninstall-it-now-man dept.
Mr2001 writes "A recent thread on the Greasemonkey mailing list suggests that the popular Firefox extension is fatally insecure. It seems rogue pages can read any file from your disk and send it to any site, using an XmlHttpRequest. Time to uninstall GM?"
Be careful when a loop exits to the same place from side and bottom.