Mozilla before 1.7 allows remote web servers to read arbitrary files via Javascript that sets the value of an <input type="file"> tag.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11153
https://exchange.xforce.ibmcloud.com/vulnerabilities/16870
http://www.securityfocus.com/bid/15495
http://www.redhat.com/support/errata/RHSA-2004-421.html
http://www.novell.com/linux/security/advisories/2004_36_mozilla.html
http://www.mozilla.org/projects/security/known-vulnerabilities.html#mozilla1.7