Multiple cross-site scripting (XSS) vulnerabilities in SquirrelMail 1.4.2 allow remote attackers to execute arbitrary script as other users and possibly steal authentication information via multiple attack vectors, including the mailbox parameter in compose.php.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10274
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1006
https://exchange.xforce.ibmcloud.com/vulnerabilities/16025
https://bugzilla.fedora.us/show_bug.cgi?id=1733
http://www.securityfocus.com/archive/1/361857
http://www.securityfocus.com/advisories/6827
http://www.novell.com/linux/security/advisories/2005_19_sr.html
http://www.debian.org/security/2004/dsa-535
http://security.gentoo.org/glsa/glsa-200405-16.xml
http://secunia.com/advisories/12289
http://secunia.com/advisories/11870
http://secunia.com/advisories/11686
http://secunia.com/advisories/11531
http://rhn.redhat.com/errata/RHSA-2004-240.html
http://marc.info/?l=bugtraq&m=108334862800260
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000858