An issue was discovered in MDaemon before 20.0.4. There is Reflected XSS in Webmail (aka WorldClient). It can be exploited via a GET request. It allows performing any action with the privileges of the attacked user.
An issue was discovered in MDaemon before 20.0.4. Remote Administration allows an attacker to perform a fixation of the anti-CSRF token. In order to exploit this issue, the user has to click on a malicious URL provided by the attacker and successfully authenticate into the application. Having the value of the anti-CSRF token, the attacker may trick the user into visiting his malicious page and performing any request with the privileges of attacked user.
An issue was discovered in MDaemon before 20.0.4. There is an IFRAME injection vulnerability in Webmail (aka WorldClient). It can be exploited via an email message. It allows an attacker to perform any action with the privileges of the attacked user.
An issue was discovered in MDaemon before 20.0.4. Administrators can use Remote Administration to exploit an Arbitrary File Write vulnerability. An attacker is able to create new files in any location of the filesystem, or he may be able to modify existing files. This vulnerability may directly lead to Remote Code Execution.
The WordClient interface in Alt-N Technologies MDaemon 9.6.5 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted HTTP POST request. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
Stack-based buffer overflow in the IMAP server in Alt-N Technologies MDaemon 9.6.4 allows remote authenticated users to execute arbitrary code via a FETCH command with a long BODY.