The apache2handler SAPI (sapi_apache2.c) in the Apache module (mod_php) for PHP 5.x before 5.1.0 final and 4.4 before 4.4.1 final allows attackers to cause a denial of service (segmentation fault) via the session.save_path option in a .htaccess file or VirtualHost.

Cross-site scripting (XSS) vulnerability in PHP-Fusion 6.00.107 and earlier allows remote attackers to inject arbitrary web script or HTML via nested, malformed URL BBCode tags.

PHP-Fusion allows remote attackers to inject arbitrary Cascading Style Sheets (CSS) via the BBCode color tag.

SQL injection vulnerability in member.php for Photopost PHP Pro allows remote attackers to execute arbitrary SQL commands via the verifykey parameter.

PHP 4 (PHP4) allows attackers to cause a denial of service (daemon crash) by using the readfile function on a file whose size is a multiple of the page size.

viewthread.php in php-fusion 4.x does not check the (1) forum_id or (2) forum_cat parameters, which allows remote attackers to view protected forums via the thread_id parameter.

exif.c in PHP before 4.3.11 allows remote attackers to cause a denial of service (memory consumption and crash) via an EXIF header with a large IFD nesting level, which causes significant stack recursion.

The deserialization code in PHP before 4.3.10 and PHP 5.x up to 5.0.2 allows remote attackers to cause a denial of service and execute arbitrary code via untrusted data to the unserialize function that may trigger "information disclosure, double-free and negative reference index array underflow" results.

Buffer overflow in the exif_read_data function in PHP before 4.3.10 and PHP 5.x up to 5.0.2 allows remote attackers to execute arbitrary code via a long section name in an image file.

Cross-site scripting (XSS) vulnerability in PHP-Fusion 4.01 allows remote attackers to inject arbitrary web script or HTML via the (1) Submit News, (2) Submit Link or (3) Submit Article field.