# CVE-2002-2436

## Summary

- **CVE ID:** CVE-2002-2436
- **Severity:** UNKNOWN
- **CVSS Score:** 0.02
- **CWE:** N/A
- **Published:** Dec 7, 2011
- **Last Modified:** Mar 16, 2026

## Description

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.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://blog.mozilla.com/security/2010/03/31/plugging-the-css-history-leak/)
- [CNA](http://w2spconf.com/2010/papers/p26.pdf)
- [CNA](http://bugzilla.mozilla.org/show_bug.cgi?id=147777)
- [CNA](https://developer.mozilla.org/en/CSS/Privacy_and_the_:visited_selector)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/71816)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.33%
- **EPSS Percentile:** 55.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._