Multiple PHP remote file inclusion vulnerabilities in Newscoop 3.5.x before 3.5.5 and 4 before RC4, when register_globals is enabled, allow remote attackers to execute arbitrary PHP code via a URL in the GLOBALS[g_campsiteDir] parameter to (1) include/phorum_load.php, (2) conf/install_conf.php, or (3) conf/liveuser_configuration.php.

SQL injection vulnerability in admin/country/edit.php in Newscoop before 3.5.5 and 4.x before 4 RC4 allows remote attackers to execute arbitrary SQL commands via the f_country_code parameter.

Multiple cross-site scripting (XSS) vulnerabilities in Newscoop 3.5.x before 3.5.5 and 4.x before 4 RC4 allow remote attackers to inject arbitrary web script or HTML via the (1) Back parameter to admin/ad.php, or the (2) token or (3) f_email parameter to admin/password_check_token.php.

Cross-site scripting (XSS) vulnerability in admin/login.php in Newscoop before 3.5.5 allows remote attackers to inject arbitrary web script or HTML via the f_user_name parameter.

Multiple cross-site scripting (XSS) vulnerabilities in Newscoop 4.x through 4.1.0 allow remote attackers to inject arbitrary web script or HTML via vectors involving the (1) language parameter to application/modules/admin/controllers/LanguagesController.php or (2) user parameter to application/modules/admin/controllers/UserController.php.

Because of Unrestricted Upload of a File with a Dangerous Type, Sourcefabric Newscoop 4.4.7 allows an authenticated user to execute arbitrary PHP code (and sometimes terminal commands) on a server by making an avatar update and then visiting the avatar file under the /images/ path.