Multiple directory traversal vulnerabilities in MERAK Mail Server 8.2.4r with Icewarp Web Mail 5.5.1, and possibly earlier versions, allows remote attackers to (1) delete arbitrary files or directories via a relative path to the id parameter to logout.html or (2) include arbitrary PHP files or other files via the helpid parameter to help.html.

Multiple cross-site scripting (XSS) vulnerabilities in MERAK Mail Server 8.2.4r with Icewarp Web Mail 5.5.1, and possibly earlier versions, allow remote attackers to inject arbitrary web script or HTML via the (1) id parameter to blank.html, or the createdataCX parameter to (2) calendard.html, (3) calendarm.html, or (4) calendarw.html.

MERAK Mail Server 8.2.4r with Icewarp Web Mail 5.5.1, and possibly earlier versions, allows remote attackers to obtain sensitive information via a direct request to bwlistinc.html, which reveals the path in an error message.