Cross-site scripting (XSS) vulnerability in Invision Power Board 2.3.1 and earlier allows remote attackers to inject arbitrary web script or HTML via an IFRAME tag in the signature.
Directory traversal vulnerability in action_admin/paysubscriptions.php in Invision Power Board (IPB) 2.1.x and 2.0.x before 20060425 allows remote authenticated administrators to include and execute arbitrary local PHP files via a .. (dot dot) in the name parameter, preceded by enough backspace (%08) characters to erase the initial static portion of a filename.