Cross-site scripting (XSS) vulnerability in the guestbook for SiteStudio 1.6 allows remote attackers to inject arbitrary web script or HTML via the name field to (1) psoft.guestbook.GuestBookServ in Standalone Site Studio or (2) E-Guest_sign.pl in Integrated Site Studio with H-Sphere.
exploitlabs.com/files/advisories/EXPL-A-2005-008-sitestudio.txt
secunia.com/advisories/15286
www.derkeiler.com/Mailing-Lists/Full-Disclosure/2005-05/0154.html
www.osvdb.org/16240
www.psoft.net/misc/hsphere_winbox_security_update_guestbook.html
www.psoft.net/SS/ss_16_security_update_guestbook.html
www.securityfocus.com/bid/13554
exchange.xforce.ibmcloud.com/vulnerabilities/20496