It has been reported that Filebased Guestbook is prone to HTML injection attacks. This problem occurs due to Filebased Guestbook insufficiently sanitizing user-supplied input. As a result, attackers may embed malicious script code or HTML into forum posts. When a malicious post is viewed by another user, the attacker-supplied code will be interpreted in their web browser in the security context of the site hosting the software.
It has been reported that Filebased Guestbook is prone to HTML injection attacks. This problem occurs due to Filebased Guestbook insufficiently sanitizing user-supplied input. As a result, attackers may embed malicious script code or HTML into forum posts. When a malicious post is viewed by another user, the attacker-supplied code will be interpreted in their web browser in the security context of the site hosting the software.