[41906] in bugtraq
[eVuln] Chipmunk Guestbook XSS Vulnerability
daemon@ATHENA.MIT.EDU (alex@evuln.com)
Tue Jan 3 15:16:32 2006
Date: 1 Jan 2006 22:58:10 -0000
Message-ID: <20060101225810.26419.qmail@securityfocus.com>
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From: alex@evuln.com
To: bugtraq@securityfocus.com
New eVuln Advisory:
Chipmunk Guestbook XSS Vulnerability
--------------------Summary----------------
Vendor: Chipmunk (http://www.chipmunk-scripts.com/)
Software: Chipmunk Guestbook
Versions: 1.4 and earlier
Critical Level: Harmless
Type: Cross-Site Scripting
Class: Remote
Status: Unpatched
Exploit: Available
Solution: Not Available
Discovered by: Aliaksandr Hartsuyeu (alex@evuln.com)
Published: 2005.12.29
eVuln ID: EV0004
-----------------Description--------------
Vulnerable script:
addentry.php
Variable $homepage isn't properly sanitized. This can be used to post arbitrary script code which will be executed in the browser of every guestbook visitor.
Cookie-based authentication is threatened.
--------------Exploit---------------------
Add an entry form:
http://somesite/guestbook/addentry.php
Homepage value: '></a><script>alert(123);</script>
--------------Solution---------------------
No Patch available.
--------------Credit---------------------
Original Advisory:
http://evuln.com/vulns/4/summary.html
Discovered by: Aliaksandr Hartsuyeu (alex@evuln.com)
