Directory traversal vulnerability in sources/post.php in Fusion News 1.0, when register_globals is enabled, allows remote attackers to include arbitrary files via a .. (dot dot) sequence in the fil_config parameter, which can be used to execute PHP code that has been injected into a log file.

SQL injection vulnerability in messages.php in PHP-Fusion 6.00.307 and earlier allows remote authenticated users to execute arbitrary SQL commands via the srch_where parameter.

PHP-Fusion 6.00.306 and earlier, running under Apache HTTP Server 1.3.27 and PHP 4.3.3, allows remote authenticated users to upload files of arbitrary types using a filename that contains two or more extensions that ends in an assumed-valid extension such as .gif, which bypasses the validation, as demonstrated by uploading then executing an avatar file that ends in ".php.gif" and contains PHP code in EXIF metadata.

Multiple directory traversal vulnerabilities in PHP-Fusion 6.00.306 allow remote attackers to include and execute arbitrary local files via (1) a .. (dot dot) in the settings[locale] parameter in infusions/last_seen_users_panel/last_seen_users_panel.php, and (2) a .. (dot dot) in the localeset parameter in setup.php. NOTE: the vendor states that this issue might exist due to problems in third party local files.

Cross-site scripting (XSS) vulnerability in PHP-Fusion before 6.00.304 allows remote attackers to inject arbitrary web script or HTML via the (1) shout_name field in shoutbox_panel.php and the (2) comments field in comments_include.php.

Cross-site scripting (XSS) vulnerability in submit.php in PHP-Fusion 6.0.204 allows remote attackers to inject arbitrary web script or HTML via nested tags in the news_body parameter, as demonstrated by elements such as "<me<meta>ta" and "<sc<script>ript>".

SQL injection vulnerability in PHP-Fusion 6.00.200 through 6.00.300 allows remote attackers to execute arbitrary SQL commands via the ratings parameter in multiple scripts, such as ratings_include.php.

Multiple cross-site scripting (XSS) vulnerabilities in PHP-Fusion 6.00.200 through 6.00.300 allow remote attackers to inject arbitrary web script or HTML via (1) the sortby parameter in members.php and (2) IMG tags.

SQL injection vulnerability in messages.php in PHP-Fusion 6.00.109 allows remote attackers to obtain path information and possibly execute arbitrary SQL commands via the srch_text parameter in a Search and Sort option to messages.php.

Multiple SQL injection vulnerabilities in PHP-Fusion 6.00.206 and earlier allow remote attackers to execute arbitrary SQL commands via (1) the forum_id parameter to options.php or (2) lastvisited parameter to viewforum.php.