Multiple browser timed document.write cross domain policy vulnerability

http://www.xatrix.org/article3536.html

Multiple browser timed document.write cross domain policy vulnerability
It has been reported that under some circumstances it is possible to violate browser
cross-domain restrictions. This may allow file execution to the attacker.

Vulnerable:
Mozilla Browser 1.0 RC2
Mozilla Browser 1.0 RC1
Mozilla Browser 1.0
Mozilla Browser 1.0.1
Mozilla Browser 1.1
Mozilla Browser 1.2
Mozilla Browser 1.2.1
Mozilla Browser 1.3
Mozilla Browser 1.3.1
Netscape Communicator 7.02
Netscape Communicator 7.01
Netscape Communicator 7.0
Netscape Communicator 4.0
Netscape Communicator 4.5
Netscape Communicator 4.6
Netscape Communicator 4.7
Netscape Communicator 4.51
Netscape Communicator 4.61
Netscape Communicator 4.72
Netscape Communicator 4.73
Netscape Communicator 4.74
Netscape Communicator 4.75
Netscape Communicator 4.76
Netscape Communicator 4.77
Netscape Communicator 4.78
Netscape Communicator 4.79
Opera Software Opera Web Browser 6.0 win32
Opera Software Opera Web Browser 6.0
Opera Software Opera Web Browser 6.0.1 win32
Opera Software Opera Web Browser 6.0.1 linux
Opera Software Opera Web Browser 6.0.1
Opera Software Opera Web Browser 6.0.2 win32
Opera Software Opera Web Browser 6.0.2 linux
Opera Software Opera Web Browser 6.0.3 win32
Opera Software Opera Web Browser 6.0.3 linux
Opera Software Opera Web Browser 6.0.4 win32
Opera Software Opera Web Browser 6.0.5 win32
Opera Software Opera Web Browser 6.10 linux
Opera Software Opera Web Browser 7.0 win32
Opera Software Opera Web Browser 7.0 3win32
Opera Software Opera Web Browser 7.0 2win32
Opera Software Opera Web Browser 7.0 1win32
Opera Software Opera Web Browser 7.10
Opera Software Opera Web Browser 7.11

Solution:

NONE

"possible to violate browser cross-domain restrictions"
Sounds serious .... wonder what it means tho :confused:

Did they really find a security hole, that did not include MS ;)