Cross-site scripting vulnerability (XSS) in PHPX 3.2.3 allows remote attackers to execute arbitrary script as other users by injecting arbitrary HTML or script into (1) keywords argument of main.inc.php, (2) body argument of help.inc.php, or (3) the subject field in Personal Messages and Forum.

PHPX 2.0 through 3.2.4 allows remote attackers to gain access to other accounts by modifying the cookie's PXL variable to reference another userID.

PHPX 3.2.6 and earlier allows remote attackers to obtain the physical path of PHPX via a null or invalid value in the limit parameter, which leaks the pathname in a database error message, as demonstrated using forums.php.

Validate-Before-Canonicalize vulnerability in the checkURI function in functions.inc.php in PHPX 3.0 through 3.2.6 allows remote attackers to conduct cross-site scripting (XSS) attacks via hex-encoded tags, which bypass the check for literal "<", ">", "(", and ")" characters, as demonstrated using the limit parameter to forums.php and a variety of other vectors.

Cross-site request forgery (CSRF) vulnerability in PHPX 3.0 through 3.2.6 allows remote attackers to execute arbitrary commands via URLs that are automatically executed on behalf of the administrator, as demonstrated using (1) admin/page.php, (2) admin/news.php, (3) admin/user.php, (4) admin/images.php, (5) admin/page.php, or (6) admin/forums.php.

SQL injection vulnerability in auth.inc.php in PHPX 3.5.9 and earlier allows remote attackers to execute arbitrary SQL commands, bypass authentication, and upload arbitrary PHP code via the username parameter.

Cross-site scripting (XSS) vulnerability in PHPX 3.5.9 allows remote attackers to inject arbitrary web script or HTML via a javascript URI in a url XCode tag in a posted message. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.