Multiple cross-site scripting (XSS) vulnerabilities in FlexBB 0.5.5 BETA allow remote attackers to inject arbitrary web script or HTML via the (1) ICQ, (2) AIM, (3) MSN, (4) Google Talk, (5) Website Name, (6) Website Address, (7) Email Address, (8) Location, (9) Signature, and (10) Sub-Titles fields in the user profile.