Description
The JavaScript implementation in Mozilla Firefox before 4.0, Thunderbird before 3.3, and SeaMonkey before 2.1 does not properly restrict the set of values contained in the object returned by the getComputedStyle method, which allows remote attackers to obtain sensitive information about visited web pages by calling this method.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:P/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://blog.mozilla.com/security/2010/03/31/plugging-the-css-history-leak/
- http://bugzilla.mozilla.org/show_bug.cgi?id=147777
- http://w2spconf.com/2010/papers/p26.pdfExploit
- https://developer.mozilla.org/en/CSS/Privacy_and_the_:visited_selector
- http://blog.mozilla.com/security/2010/03/31/plugging-the-css-history-leak/
- http://bugzilla.mozilla.org/show_bug.cgi?id=147777
- http://w2spconf.com/2010/papers/p26.pdfExploit
- https://developer.mozilla.org/en/CSS/Privacy_and_the_:visited_selector
Timeline
- Published
- Dec 7, 2011
- Last modified
- Jun 16, 2026
- NVD status
- Modified