Cross-site scripting (XSS) vulnerability in gbook.php in Filebased guestbook 1.1.3 allows remote attackers to inject arbitrary web script or HTML via the comment section.

Cross-site scripting (XSS) vulnerability in cc_guestbook.pl in CGI City CC GuestBook allows remote attackers to inject arbitrary web script or HTML via the (1) name and (2) homepage_title (webpage title) parameters.

Cross-site scripting (XSS) vulnerability in MPM Guestbook 1.2 allows remote attackers to inject arbitrary web script or HTML via the lng parameter.

Cross-site scripting (XSS) vulnerability in Chi Kien Uong Guestbook 1.51 allows remote attackers to inject arbitrary web script or HTML via (1) HTML in a posted message or (2) Javascript in an onmouseover attribute in an e-mail address or URL.

Easy Guestbook CGI programs do not authenticate the administrator, which allows remote attackers to (1) delete entries via direct access of admin.cgi, or (2) reconfigure Guestbook via direct access of config.cgi.

csGuestbook.cgi in CGISCRIPT.NET csGuestbook 1.0 allows remote attackers to execute arbitrary Perl code via the setup parameter, which is processed by the Perl eval function.

Cross-site scripting vulnerability (XSS) in ASPjar Guestbook 1.00 allows remote attackers to execute arbitrary script as other users via the "web site" parameter in a guestbook message.

ASPjar Guestbook 1.00 allows remote attackers to delete arbitrary messages accessing the delete.asp administrative script with certain cookie values set to "true".

Cross-site scripting vulnerability in signgbook.php for BG GuestBook 1.0 allows remote attackers to execute arbitrary Javascript via encoded tags such as <, >, and & in fields such as (1) name, (2) email, (3) AIM screen name, (4) website, (5) location, or (6) message.

Cross-site scripting vulnerability in guestbook.pl for Philip Chinery's Guestbook 1.1 allows remote attackers to execute Javascript or HTML via fields such as (1) Name, (2) EMail, or (3) Homepage.