Web Wiz Guestbook 6.0 stores sensitive information under the web root with insufficient access control, which allows remote attackers to download the database and obtain sensitive information via a direct request for database/WWGguestbook.mdb. NOTE: it was later reported that 8.21 is also affected.

SQL injection vulnerability in functions/functions_filters.asp in Web Wiz Forums before 8.05a (MySQL version) does not properly filter certain characters in SQL commands, which allows remote attackers to execute arbitrary SQL commands via \"' (backslash double-quote quote) sequences, which are collapsed into \'', as demonstrated via the name parameter to forum/pop_up_member_search.asp.

Cross-site scripting (XSS) vulnerability in RTE_popup_link.asp in Web Wiz Rich Text Editor (RTE) 3.x and 4.x before 4.03 allows remote attackers to inject arbitrary web script or HTML via the email parameter.

Multiple cross-site scripting (XSS) vulnerabilities in Web Wiz Forum 9.5 allow remote attackers to inject arbitrary web script or HTML via the mode parameter to (1) admin_group_details.asp and (2) admin_category_details.asp.

Cross-site request forgery (CSRF) vulnerability in Web Wiz Forum 9.5 allows remote attackers to log out a user via a link or IMG tag to log_off_user.asp.