New eVuln Advisory:
Multiple XSS in MCG GuestBook
Summary: http://evuln.com/vulns/144/summary.html 
Details: http://evuln.com/vulns/144/description.html 

-----------Summary-----------
eVuln ID: EV0144
Software: MCG GuestBook
Vendor: Mrcgiguy
Version: 1.0
Critical Level: low
Type: Cross Site Scripting
Status: Unpatched. No reply from developer(s)
PoC: Available
Solution: Not available
Discovered by: Aliaksandr Hartsuyeu ( http://evuln.com/ )
--------Description--------
All vulnerabilities found in gb.cgi script. It doesn't have proper XSS sanitation filters.

XSS vulnerable parameters:

    * name
    * email
    * website
    * message

All these parameters are not sanitized. 
This can be used to insert any html or script code. 
Admin panel is vulnerable also
--------PoC/Exploit--------

XSS poc code
All form parameters dont pass any XSS sanitation filters.

XSS Examples.  
Parameter "name": <script>alert('XSS Vuln')</script> 
Parameter "email": "<script>alert('Vulnerable')</script> 
Parameter "website": "<script>alert('Vulnerable')</script> 
Parameter "message": <script>alert('XSS Vuln')</script>

---------Solution----------
Not available
----------Credit-----------
Vulnerability discovered by Aliaksandr Hartsuyeu
http://evuln.com/tool/php-security.html - online php source analyzer.