CVE-2004-1380

Firefox before 1.0 and Mozilla before 1.7.5 allows inactive (background) tabs to launch dialog boxes, which can allow remote attackers to spoof the dialog boxes from web sites in other windows and facilitate phishing attacks, aka the "Dialog Box Spoofing Vulnerability."

Date published : 2005-01-29

http://www.mozilla.org/security/announce/mfsa2005-05.html

http://secunia.com/multiple_browsers_dialog_box_spoofing_test/