Multiple cross-site scripting (XSS) vulnerabilities in MyPHPNuke (MPN) 1.88 and earlier allow remote attackers to inject arbitrary web script or HTML via (1) the letter parameter in reviews.php and (2) the dcategory parameter in download.php.
Cross-site scripting (XSS) vulnerability in links.php script in myPHPNuke 1.8.8, and possibly earlier versions, allows remote attackers to inject arbitrary HTML and web script via the (1) ratenum or (2) query parameters.
phptonuke.php in myPHPNuke 1.8.8 allows remote attackers to read arbitrary files via a full pathname in the filnavn variable.