accountsettingsadd.html in Merak Mail Server 7.4.5 with Icewarp Web Mail 5.2.7 and possibly other versions allow remote attackers to create text files with arbitrary content via the accountid parameter.

attachment.html in Merak Mail Server 7.4.5 with Icewarp Web Mail 5.2.7 and possibly other versions allows remote attackers to view other users' attachments by specifying the username and message ID in an HTTP request.

Multiple directory traversal vulnerabilities Merak Mail Server 7.4.5 with Icewarp Web Mail 5.2.7, and possibly other versions, allow remote attackers to (1) create arbitrary directories via a .. (dot dot) in the user parameter to viewaction.html or (2) rename arbitrary files via a ....// (doubled dot dot) in the folderold or folder parameters to folders.html.

viewaction.html in Merak Mail Server 7.4.5 with Icewarp Web Mail 5.2.7 and possibly other versions allows remote attackers to (1) delete arbitrary files via the originalfolder parameter or (2) move arbitrary files via the messageid parameter.

Merak Mail Server 7.4.5 with Icewarp Web Mail 5.2.7 and possibly other versions allows remote attackers to gain sensitive information via a direct request to (1) accountsettingsadd.html or (2) topmenu.html.

Cross-site scripting (XSS) vulnerability in MERAK Mail Server 7.4.5 with Icewarp Web Mail 5.2.7 and possibly other versions allows remote attackers to execute arbitrary web script or HTML via the (1) User name parameter to accountsettings.html or (2) Search string parameter to search.html.

Cross-site scripting (XSS) vulnerability in index.html in IceWarp WebMail 5.5.1 and earlier allows remote attackers to inject arbitrary web script or HTML via the PHPSESSID parameter.