Cross-site scripting (XSS) vulnerability in the Blog Portlet in IBM WebSphere Portal 6.1.0 through 6.1.0.6 CF27, 6.1.5 through 6.1.5.3 CF27, 7.0.0 through 7.0.0.2 CF29, 8.0.0 through 8.0.0.1 CF14, and 8.5.0 before CF04 allows remote attackers to inject arbitrary web script or HTML via a crafted URL.