Cross-site scripting (XSS) vulnerability in Invision Power Board (IPB or IP.Board) 2.3.4 before 2008-03-13 allows remote attackers to inject arbitrary web script or HTML via nested BBCodes, a different vector than CVE-2008-0913.
Improper Neutralization of Input During Web Page Generation The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.