CVE-2011-5252

Open redirect vulnerability in Users/Account/LogOff in Orchard 1.0.x before 1.0.21, 1.1.x before 1.1.31, 1.2.x before 1.2.42, and 1.3.x before 1.3.10 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the ReturnUrl parameter.

CVE-2013-3645

Cross-site scripting (XSS) vulnerability in the Orchard.Comments module in Orchard before 1.6.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.