Title: SignHere Guestbook HTML Injection Vulnerability
Severity: HIGH
Description:
SignHere Guestbook is guestbook software implemented in ASP and distributed by Bitstrike Software. It is available for the Microsoft Windows operating system.
It has been reported that SignHere does not sufficiently filter user-supplied values from the 'email' field. As a result, attackers may embed malicious script code or HTML into SignHere 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.
This issue may be exploited to steal cookie-based authentication credentials from legitimate users of the website running the vulnerable software. The attacker may hijack the session of the legitimate by using cookie-based authentication credentials. Other attacks are also possible.
Affected Products:
- Bitstrike Software SignHere Guestbook 0.0.0
References:
- Bitstrike Software: Bitstrike Software
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