Cross-site request forgery (CSRF) vulnerability in util.pl in @Mail WebMail 4.51, and util.php in 5.x before 5.03, allows remote attackers to modify arbitrary settings and perform unauthorized actions as an arbitrary user, as demonstrated using a settings action in the SRC attribute of an IMG element in an HTML e-mail.
https://exchange.xforce.ibmcloud.com/vulnerabilities/31259
http://www.vupen.com/english/advisories/2007/1864
http://www.securityfocus.com/archive/1/458109/100/100/threaded
http://www.netragard.com/pdfs/research/ATMAIL-XSRF-ADVISORY-20061206.txt
http://www.netragard.com/html/recent_research.html
http://terra.calacode.com/mail/docs/changelog.html
http://securitytracker.com/id?1017435
http://secunia.com/advisories/25328
http://secunia.com/advisories/23472
http://archives.neohapsis.com/archives/fulldisclosure/2007-01/0512.html