activate.php in versatileBulletinBoard (vBB) 0.9.5 and 0.9.6 allows remote attackers to gain unauthorized administrative access via a URL request with the uid parameter set to the webmaster uid.

Multiple SQL injection vulnerabilities in versatileBulletinBoard (vBB) 1.0.0 RC2 allow remote attackers to execute arbitrary SQL commands and bypass authentication via the (1) login field, (2) "search this thread" feature, (3) "search for posts" feature, (4) "forgot password" feature, (5) list parameter in userlistpre.php, and the (6) select, (7) categ, and (8) to parameters in index.php.

Multiple cross-site scripting (XSS) vulnerabilities in versatileBulletinBoard (vBB) 1.0.0 RC2 allow remote attackers to inject arbitrary web script or HTML via (1) the url parameter in dereferrer.php and (2) the file parameter in imagewin.php.

getversions.php in versatileBulletinBoard (vBB) 1.0.0 RC2 lists the versions of all installed scripts, which allows remote attackers to obtain sensitive information via a direct request.