Cross-site scripting (XSS) vulnerability in mime.php for SquirrelMail before 1.4.3 allows remote attackers to insert arbitrary HTML and script via the content-type mail header, as demonstrated using read_body.php.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10766
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1012
https://bugzilla.fedora.us/show_bug.cgi?id=1733
http://www.securityfocus.com/advisories/6827
http://www.rs-labs.com/adv/RS-Labs-Advisory-2004-1.txt
http://www.gentoo.org/security/en/glsa/glsa-200406-08.xml
http://www.debian.org/security/2004/dsa-535
http://secunia.com/advisories/12289
http://secunia.com/advisories/11870
http://rhn.redhat.com/errata/RHSA-2004-240.html
http://marc.info/?l=squirrelmail-cvs&m=108532891231712
http://marc.info/?l=bugtraq&m=108611554415078&w=2
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000858