AI Score
Confidence
High
EPSS
Percentile
68.7%
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 attackerβs server.
archives.neohapsis.com/archives/fulldisclosure/2004-11/0070.html
secunia.com/advisories/13086
www.osvdb.org/11394
exchange.xforce.ibmcloud.com/vulnerabilities/17949