SQL injection vulnerability in lib/func_taskmanager.php in Invision Power Board (IPB) 2.1.x and 2.0.x before 20060425 allows remote attackers to execute arbitrary SQL commands via the ck parameter, which can inject at most 32 characters.
Invision Power Board (IPB) 1.0.3 allows remote attackers to inject arbitrary web script or HTML via an attachment, which is automatically downloaded and processed as HTML.