prefs.php in phpBB 1.4.0 and earlier allows remote authenticated users to execute arbitrary PHP code via an invalid language value, which prevents the variables (1) $lstatsblock in prefs.php or (2) $lprivnotify in auth.php from being properly initialized, which can be modified by the user and later used in an eval statement.
sessions.php in phpBB 2.0.12 and earlier allows remote attackers to gain administrator privileges via the autologinid value in a cookie.
SQL injection vulnerability in search.php for phpBB 2.0.6 and earlier allows remote attackers to execute arbitrary SQL and gain privileges via the searchid parameter.
viewtopic.php in phpBB 2.x before 2.0.11 improperly URL decodes the highlight parameter when extracting words and phrases to highlight, which allows remote attackers to execute arbitrary PHP code by double-encoding the highlight value so that special characters are inserted into the result, which is then processed by PHP exec, as exploited by the Santy.A worm.
SQL injection vulnerability in search.php for phpBB 1.0 through 2.0.6 allows remote attackers to execute arbitrary SQL and gain privileges via the searchresults parameter.
Cross-site scripting vulnerability in phpBB 1.4.4 and earlier allows remote attackers to execute arbitrary Javascript on web clients by embedding the script within an IMG image tag while editing a message.
PHP remote file inclusion vulnerability in /includes/kbconstants.php in Knowledge Base Mod for PHPbb 2.0.2 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the modulerootpath parameter.
phpBB 2.0.13 and earlier allows remote attackers to obtain sensitive information via a direct request to oracle.php, which reveals the path in a PHP error message.
phpBB 1.4.4 and earlier with BBcode allows remote attackers to cause a denial of service (CPU consumption) and corrupt the database via null \0 characters within [code] tags.
SQL injection vulnerability in groupcp.php for phpBB 2.0.6 and earlier allows group moderators to perform unauthorized activities via the sqlin parameter.