[eVuln] Chipmunk Guestbook XSS Vulnerability Jan 01 2006 10:58PM
alex evuln com
New eVuln Advisory:
Chipmunk Guestbook XSS Vulnerability

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 (at) evuln (dot) com [email concealed])
Published: 2005.12.29
eVuln ID: EV0004

Vulnerable script:

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.

Add an entry form:

Homepage value: '></a><script>alert(123);</script>

No Patch available.

Original Advisory:

Discovered by: Aliaksandr Hartsuyeu (alex (at) evuln (dot) com [email concealed])

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