CVE-2011-2023
Cross-site scripting (XSS) vulnerability in functions/mime.php in SquirrelMail before 1.4.22 allows remote attackers to inject arbitrary web script or HTML via a crafted STYLE element in an e-mail message.
Date published : 2011-07-14
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
http://squirrelmail.svn.sourceforge.net/viewvc/squirrelmail?view=revision&revision=14121