calc.txt.%65%78%65
it will be saved as
calc.txt.exe
on your hard drive.
will not be fixed.
Added:
response from the server when downloading a file:
HTTP/1.1 200 OK Content-Type: application/octet-stream Cache-Control: private, max-age=86400 Expires: Mon, 07 Nov 2011 20:07:17 GMT Date: Mon, 07 Nov 2011 20:07:17 GMT X-XSS-Protection: 0 Content-Disposition: attachment; filename="calc.ex%65" Content-Length: 776192 X-Content-Type-Options: nosniff Server: GSE
The file will be saved as "calc.exe". Maybe just a content-disposition header issue, but hey, that header is optional! (cynicism intended)