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Chipmunk Guestbook XSS
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SUMMARY
<http://www.chipmunk-scripts.com/page.php?ID=13> Chipmunk is a "powerful
guestbook that features smilies, yahoo, aim, yim, and many other options
and admin features". The 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.
DETAILS
Vulnerable Systems:
* Chipmunk Guestbook version 1.4 or newer
Exploit:
Add to the entry form: http://somesite/guestbook/addentry.php, the
homepage value of: '></a><script>alert(123);</script>
ADDITIONAL INFORMATION
The information has been provided by <mailto:alex@evuln.com> Aliaksandr
Hartsuyeu.
The original article can be found at: <http://www.chipmunk-scripts.com/>
http://www.chipmunk-scripts.com/
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