SQL injection vulnerability in FlexBB 0.6.3 and earlier allows remote attackers to execute arbitrary SQL commands via the flexbb_temp_id parameter in a cookie.

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.

Multiple SQL injection vulnerabilities in FlexBB 0.5.5 BETA allow remote attackers to execute arbitrary SQL commands via the (1) id, (2) forumid, or (3) threadid parameter to index.php; the (4) ICQ, (5) AIM, (6) MSN, (7) Google Talk, (8) Website Name, (9) Website Address, (10) Email Address, (11) Location, (12) Signature, and (13) Sub-Titles fields in the user profile; or (14) flexbb_password field in a cookie.

Cross-site scripting (XSS) vulnerability in FlexBB 0.5.7 BETA and earlier allows remote attackers to inject arbitrary web script or HTML via the (1) name and (2) message parameters.

SQL injection vulnerability in inc/start.php in FlexBB 0.5.5 and earlier allows remote attackers to execute arbitrary SQL commands via the flexbb_username COOKIE parameter.

SQL injection vulnerability in function/showprofile.php in FlexBB 0.5.5 allows remote attackers to execute arbitrary SQL commands, and view all usernames and passwords, via the id parameter to the showprofile page in index.php.