Pax says the worm hides his XSS bug to make it harder to detect and patch, and he hopes to sell the program for close to a thousand euros.

FORBES: Updated with a more detailed statement from Yahoo! below.

Whatever specific code snafu that is causing this particular bug appears to have been deemed too minor to issue a full software patch over and Apple has elected to let it run its course instead.

FORBES: Links 3 Jan: Apple's Do Not Disturb Bug Is A Self Fixing Unix Problem This Year But It Will Reappear Next