The (1) updateuser.php and (2) forums_prune.php scripts in PHP-Fusion 4.00 allow remote attackers to obtain sensitive information via a direct HTTP request, which reveals the installation path in an error message.

SQL injection vulnerability in PHP-Fusion 4.01 allows remote attackers to execute arbitrary SQL commands via the rowstart parameter to (1) index.php or (2) members.php, or (3) the comment_id parameter to comments.php.

PHP 4.0 with cURL functions allows remote attackers to bypass the open_basedir setting and read arbitrary files via a file: URL argument to the curl_init function.

SQL injection vulnerability in PhotoPost PHP Pro 4.6 and earlier allows remote attackers to gain privileges via (1) the product parameter in showproduct.php or (2) the cat parameter in showcat.php.

SQL injection vulnerability in showphoto.php in PhotoPost PHP Pro 4.6 and earlier allows remote attackers to gain unauthorized access via the photo variable.

SQL injection vulnerability in PHP-Nuke 6.9 and earlier, and possibly 7.x, allows remote attackers to inject arbitrary SQL code and gain sensitive information via (1) the category variable in the Search module or (2) the admin variable in the Web_Links module.

The ReadMe First.txt file in PHP-Fusion 4.0 instructs users to set the permissions on the fusion_admin/db_backups directory to world read/write/execute (777), which allows remote attackers to download or view database backups, which have easily guessable filenames and contain the administrator username and password.

The strip_tags function in PHP 4.x up to 4.3.7, and 5.x up to 5.0.0RC3, does not filter null (\0) characters within tag names when restricting input to allowed tags, which allows dangerous tags to be processed by web browsers such as Internet Explorer and Safari, which ignore null characters and facilitate the exploitation of cross-site scripting (XSS) vulnerabilities.

Multiple cross-site scripting (XSS) vulnerabilities in PhotoPost PHP Pro 4.6.x and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) ppuser, (2) password, (3) stype, (4) perpage, (5) sort, (6) page, (7) si, or (8) cat parameters to showmembers.php, or the (9) photo name, (10) photo description, (11) album name, or (12) album description fields.

Multiple SQL injection vulnerabilities in PhotoPost PHP Pro 4.6.x and earlier allow remote attackers to gain users' passwords via the (1) photo parameter to addfav.php, (2) photo parameter to comments.php, (3) credit parameter to comments.php, (4) cat parameter to index.php, (5) ppuser parameter to showgallery.php, (6) cat parameter to showgallery.php, (7) cat parameter to uploadphoto.php, (8) albumid parameter to useralbums.php, or (9) albumid parameter to useralbums.php.