LOW
Mozilla Firefox 1.5 before 1.5.0.2 and SeaMonkey before 1.0.1 causes certain windows to become translucent due to an interaction between XUL content windows and the history mechanism, which might allow user-assisted remote attackers to trick users into executing arbitrary code.
http://secunia.com/advisories/19631
http://secunia.com/advisories/19649
http://secunia.com/advisories/22066
http://www.mozilla.org/security/announce/2006/mfsa2006-29.html
http://www.securityfocus.com/archive/1/446658/100/200/threaded
http://www.securityfocus.com/bid/17516
http://www.vupen.com/english/advisories/2006/1356
http://www.vupen.com/english/advisories/2006/3748
http://www.vupen.com/english/advisories/2008/0083
https://bugzilla.mozilla.org/show_bug.cgi?id=327014
https://exchange.xforce.ibmcloud.com/vulnerabilities/25827
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1471