Cross-site scripting (XSS) vulnerability in display.php in Simple Machines Forum (SMF) 1.1 Final and earlier allows remote attackers to inject arbitrary web script or HTML via the contents of a file that is uploaded with the image parameter set, which can be interpreted as script by Internet Explorer's automatic type detection.

Cross-site scripting (XSS) vulnerability in Simple Machines Forum (SMF) 1.0 allows remote attackers to inject arbitrary web script via the size tag.