The reportpost action in misc.php for PhotoPost PHP 5.0 RC3 does not limit the logging data that is sent to the administrator, which allows remote attackers to send large amounts of email to the administrator.
adm-photo.php in PhotoPost PHP 5.0 RC3 does not properly verify administrative privileges before manipulating photos, which could allow remote attackers to manipulate other users' photos.
Multiple cross-site scripting (XSS) vulnerabilities in PhotoPost PHP 5.0 RC3 allow remote attackers to inject arbitrary web script or HTML via (1) the check_tags function or (2) the editbio field in the user profile.
PhotoPost PHP 5.0 RC3 does not fully verify that an uploaded file is an image file, which allows remote attackers to inject arbitrary Javascript by uploading non-image files with an image extension such as .gif.
SQL injection vulnerability in PhotoPost PHP Pro 5.x may allow remote attackers to execute arbitrary SQL commands via (1) the sl parameter to showmembers.php or (2) the photo parameter to showphoto.php.
SQL injection vulnerability in member.php and possibly other scripts in PhotoPost PHP 5.0 RC3 allows remote attackers to execute arbitrary SQL commands via the uid parameter.