CVE-2004-2226

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2004-12-31 · updated 2026-06-16

Description

Mozilla Mail 1.7.1 and 1.7.3, and Thunderbird before 0.9, when HTML-Mails is enabled, allows remote attackers to determine valid e-mail addresses via an HTML e-mail that references a Cascading Style Sheets (CSS) document on the attacker's server.

Affected products

Mozilla Thunderbird: 0.8, 1.7.1, 1.7.3

References

http://archives.neohapsis.com/archives/fulldisclosure/2004-11/0070.html
http://secunia.com/advisories/13086
http://www.osvdb.org/11394
https://exchange.xforce.ibmcloud.com/vulnerabilities/17949
http://archives.neohapsis.com/archives/fulldisclosure/2004-11/0070.html
http://secunia.com/advisories/13086
http://www.osvdb.org/11394
https://exchange.xforce.ibmcloud.com/vulnerabilities/17949

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