Multiple cross-site scripting (XSS) vulnerabilities in Blackboard Learning System 6, Blackboard Learning and Community Portal Suite 6.2.3.23, and Blackboard Vista 4 allow remote attackers to inject arbitrary Javascript, VBScript, or HTML via (1) data, (2) vbscript, and (3) malformed javascript URIs in various HTML tags when posting to the Discussion Board.

Cross-site scripting (XSS) vulnerability in Blackboard Vista/CE 8.0 SP6 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.