Mozilla Firefox before the Preview Release, Mozilla before 1.7.3, and Thunderbird before 0.8 allows remote attackers to perform cross-domain scripting and possibly execute arbitrary code by convincing a user to drag and drop javascript: links to a frame or page in another domain.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10378
https://exchange.xforce.ibmcloud.com/vulnerabilities/17374
http://www.us-cert.gov/cas/techalerts/TA04-261A.html
http://www.novell.com/linux/security/advisories/2004_36_mozilla.html
http://www.mozilla.org/projects/security/known-vulnerabilities.html#mozilla1.7.3
http://www.kb.cert.org/vuls/id/651928
http://security.gentoo.org/glsa/glsa-200409-26.xml
http://marc.info/?l=bugtraq&m=109900315219363&w=2