CVE-2002-2436

no score yetEPSS 1.1%

The Cascading Style Sheets (CSS) implementation in Mozilla Firefox before 4.0, Thunderbird before 3.3, and SeaMonkey before 2.1 does not properly handle the :visited pseudo-class, which allows remote attackers to obtain sensitive information about visited web pages via a crafted HTML document, a related issue to CVE-2010-2264.

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2011-12-07
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

mozilla:firefox
mozilla:seamonkey
mozilla:thunderbird

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.pdf
https://developer.mozilla.org/en/CSS/Privacy_and_the_:visited_selector
https://exchange.xforce.ibmcloud.com/vulnerabilities/71816

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