Mozilla Foundation Security Advisory 2012-103
Frames can shadow top.location
- November 20, 2012
- Mariusz Mlynski
- Firefox, Firefox ESR, SeaMonkey, Thunderbird, Thunderbird ESR
- Fixed in
- Firefox 17
- Firefox ESR 10.0.11
- SeaMonkey 2.14
- Thunderbird 17
- Thunderbird ESR 10.0.11
Security researcher Mariusz Mlynski reported that the
location property can be accessed by binary plugins through
top.location with a frame whose name attribute's value is set to "top". This can allow for possible cross-site scripting (XSS) attacks through plugins.
In general these flaws cannot be exploited through email in the Thunderbird and SeaMonkey products because scripting is disabled, but are potentially a risk in browser or browser-like contexts in those products.