KENT-WEB Joyful Note before 5.3 allows remote attackers to delete files or write to files, and consequently execute arbitrary code, via vectors involving an article.
Cross-site scripting (XSS) vulnerability in KENT-WEB Joyful Note 2.8 and earlier, when Internet Explorer 7 or earlier is used, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.