calendar.php in Kamgaing Email System (kmail) 2.3 and earlier allows remote attackers to obtain the full path of the server via an invalid d parameter, which leaks the path in an error message.

KMail 1.7.1 in KDE 3.3.2 allows remote attackers to spoof email information, such as whether the email has been digitally signed or encrypted, via HTML formatted email.

Multiple cross-site scripting (XSS) vulnerabilities in Kamgaing Email System (kmail) 2.3 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) d parameter to main.php, ordner parameter to (2) main.php, or (3) webdisk.php, (4) draft parameter to compose.php, or (5) m, or (6) y parameter to calendar.php.