SQL injection vulnerability in page_header.php in phpBB 2.0, 2.0.1 and 2.0.2 allows remote attackers to brute force user passwords and possibly gain unauthorized access to forums via the forum_id parameter to index.php.
SQL injection vulnerability in groupcp.php for phpBB 2.0.6 and earlier allows group moderators to perform unauthorized activities via the sql_in parameter.
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 search_id parameter.
admin_ug_auth.php in phpBB 2.0.0 allows local users to gain administrator privileges by directly calling admin_ug_auth.php with modifed form fields such as "u".
install.php in phpBB 2.0 through 2.0.1, when "allow_url_fopen" and "register_globals" variables are set to "on", allows remote attackers to execute arbitrary PHP code by modifying the phpbb_root_dir parameter to reference a URL on a remote web server that contains the code.
SQL injection vulnerability in Gender MOD 1.1.3 allows remote attackers to gain administrative access via the user_level parameter in the User Profile page.
Cross-site scripting vulnerability in phpBB 2.0.0 (phpBB2) allows remote attackers to execute Javascript as other phpBB users by including a http:// and a double-quote (") in the [IMG] tag, which bypasses phpBB's security check, terminates the src parameter of the resulting HTML IMG tag, and injects the script.