SQL injection vulnerability in admin.php in the administration backend in Francisco Burzi PHP-Nuke 8.0 and earlier allows remote attackers to execute arbitrary SQL commands via the chng_uid parameter.

Multiple cross-site request forgery (CSRF) vulnerabilities in mainfile.php in Francisco Burzi PHP-Nuke 8.0 and earlier allow remote attackers to hijack the authentication of administrators for requests that (1) add user accounts or (2) grant the administrative privilege to a user account, related to a Referer check that uses a substring comparison.

Multiple cross-site scripting (XSS) vulnerabilities in Francisco Burzi PHP-Nuke 8.0 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) sender_name or (2) sender_email parameter in a Feedback action to modules.php.

SQL injection vulnerability in the Sections module in PHP-Nuke, probably before 8.0, allows remote attackers to execute arbitrary SQL commands via the artid parameter in a printpage action to modules.php.

The CAPTCHA functionality in php-Nuke 6.0 through 7.9 uses fixed challenge/response pairs that only vary once per day based on the User Agent (HTTP_USER_AGENT), which allows remote attackers to bypass CAPTCHA controls by fixing the User Agent, performing a valid challenge/response, then replaying that pair in the random_num and gfx_check parameters.

Cross-site scripting (XSS) vulnerability in header.php in PHP-Nuke 6.0 to 7.8 allows remote attackers to inject arbitrary web script or HTML via the pagetitle parameter.

Multiple unspecified vulnerabilities in the WYSIWYG editor in PHP-Nuke before 7.9 Final have unknown impact and attack vectors.

PHP-Nuke 7.6 and earlier allows remote attackers to obtain sensitive information via a direct request to (1) ipban.php, (2) db.php, (3) lang-norwegian.php, (4) lang-indonesian.php, (5) lang-greek.php, (6) a request to Web_Links with the portuguese language (lang-portuguese.php), (7) a request to Web_Links with the indonesian language (lang-indonesian.php), (8) a request to the survey module with the indonesian language (lang-indonesian.php), (9) a request to the Reviews module with the portuguese language, or (10) a request to the Journal module with the portuguese language, which reveal the path in an error message.

Multiple cross-site scripting (XSS) vulnerabilities in PHP-Nuke 6.x through 7.6 allow remote attackers to inject arbitrary web script or HTML via the (1) username parameter in the Your_Account module, (2) avatarcategory parameter in the Your_Account module, or (3) lid parameter in the Downloads module.

Multiple cross-site scripting (XSS) vulnerabilities in PHP-Nuke 6.x to 7.6 allow remote attackers to inject arbitrary web script or HTML via the (1) min parameter to the Search module, (2) the categories parameter to the FAQ module, or (3) the ltr parameter to the Encyclopedia module. NOTE: the bid parameter issue in banners.php is already an item in CVE-2005-1000.