browser.js in Mozilla Firefox 1.5.x before 126.96.36.199 and 2.x before 188.8.131.52,
and SeaMonkey before 1.0.8 uses the requesting URI to identify child
windows, which allows remote attackers to conduct cross-site scripting
in combination with multiple frames having the same data: URI.
Updated: 2015-07-29 20:29:06 UTC (commit 9756)