Cross-site scripting (XSS) vulnerability in the Webmail interface for IceWarp Merak Mail Server before 9.0.0 allows remote attackers to inject arbitrary JavaScript via a javascript: URI in an attribute of an element in an email message body, as demonstrated by the onload attribute in a BODY element.

Cross-site scripting (XSS) vulnerability in WebMail Pro in IceWarp Software Merak Mail Server 9.3.2 allows remote attackers to inject arbitrary web script or HTML via an IMG element in an HTML e-mail message.

Stack-based buffer overflow in the IceWarpServer.APIObject ActiveX control in api.dll in IceWarp Merak Mail Server 9.4.1 might allow context-dependent attackers to execute arbitrary code via a large value in the second argument to the Base64FileEncode method, as possibly demonstrated by a web application that accepts untrusted input for this method.