The checkAccess function in PHPSlice 0.1.4, and all other versions between 0.1.1 and 0.1.6, does not properly verify the administrative access level, which could allow remote attackers to gain privileges.

load_prefs.php and supporting include files in SquirrelMail 1.0.4 and earlier do not properly initialize certain PHP variables, which allows remote attackers to (1) view sensitive files via the config_php and data_dir options, and (2) execute arbitrary code by using options_order.php to upload a message that could be interpreted as PHP.

PHP 4.0.5 through 4.1.0 in safe mode does not properly cleanse the 5th parameter to the mail() function, which allows local users and possibly remote attackers to execute arbitrary commands via shell metacharacters.

index.php in Jelsoft vBulletin does not properly initialize a PHP variable that is used to store template information, which allows remote attackers to execute arbitrary PHP code via special characters in the templatecache parameter.

Directory traversal vulnerability in phpMyAdmin 2.2.0 and earlier versions allows remote attackers to execute arbitrary code via a .. (dot dot) in an argument to the sql.php script.

Directory traversal vulnerability in phpPgAdmin 2.2.1 and earlier versions allows remote attackers to execute arbitrary code via a .. (dot dot) in an argument to the sql.php script.

banners.php in PHP-Nuke 4.4 and earlier allows remote attackers to modify banner ad URLs by directly calling the Change operation, which does not require authentication.

cookiedecode function in PHP-Nuke 4.4 allows users to bypass authentication and gain access to other user accounts by extracting the authentication information from a cookie.

PHP-Nuke 4.4.1a allows remote attackers to modify a user's email address and obtain the password by guessing the user id (UID) and calling user.php with the saveuser operator.

bb_smilies.php and bbcode_ref.php in PHP-Nuke 4.4 allows remote attackers to read arbitrary files and gain PHP administrator privileges by inserting a null character and .. (dot dot) sequences into a malformed username argument.

opendir.php script in PHP-Nuke allows remote attackers to read arbitrary files by specifying the filename as an argument to the requesturl parameter.

PHP Apache module 4.0.4 and earlier allows remote attackers to bypass .htaccess access restrictions via a malformed HTTP request on an unrestricted page that causes PHP to use those access controls on the next page that is requested.

PHP 3.x (PHP3) on Apache 1.3.6 allows remote attackers to read arbitrary files via a modified .. (dot dot) attack containing "%5c" (encoded backslash) sequences.

phpGroupWare before 0.9.7 allows remote attackers to execute arbitrary PHP commands by specifying a malicious include file in the phpgw_info parameter of the phpgw.inc.php program.

common.inc.php in phpWebLog 0.4.2 does not properly initialize the $CONF array, which inadvertently sets the password to a single character, allowing remote attackers to easily guess the SiteKey and gain administrative privileges to phpWebLog.

Multiple vulnerabilities in phpMyChat before 0.14.5 exist in (1) input.php3, (2) handle_inputH.php3, or (3) index.lib.php3 with unknown consequences, possibly related to user spoofing or improperly initialized variables.

Vulnerabilities in phpMyChat before 0.14.4 allow local and possibly remote attackers to gain privileges by specifying an alternate library file in the L (localization) parameter.

PHP remote file inclusion vulnerability in checklogin.php in phpSecurePages 0.24 and earlier allows remote attackers to execute arbitrary PHP code by modifying the cfgProgDir parameter to reference a URL on a remote web server that contains the code.

The Apache module for PHP 4.0.0 through PHP 4.0.4, when disabled with the 'engine = off' option for a virtual host, may disable PHP for other virtual hosts, which could cause Apache to serve the source code of PHP scripts.

Twig webmail system does not properly set the "vhosts" variable if it is not configured on the site, which allows remote attackers to insert arbitrary PHP (PHP3) code by specifying an alternate vhosts as an argument to the index.php3 program.