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.