MySQLguest by "Allwebscripts is a guestbook script that uses MySQL to store messages".
Allwebscripts' MySQLguest is vulnerable to a source code injection vulnerability in the AWSguest.php page. The vulnerability occurs as fields in the AWSguest.php page do not adequately sanitize HTML, script or PHP code.
Credit:
The information has been provided by BliZZard.
In the AWSguest.php page, any of the following fields can be used to inject arbitrary HTML, JavaScript or PHP: "Name", "Email", "Homepage" and "Comments".