Cross-site scripting (XSS) vulnerability in login.asp in Nightfall Personal Diary 1.0 allows remote attackers to inject arbitrary web script or HTML via the username parameter and possibly other "login fields." NOTE: some of these details are obtained from third party information.

Nightfall Personal Diary 1.0 stores sensitive information under the web root with insufficient access control, which allows remote attackers to download the database file via a direct request for users-zza21.mdb.