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EV0004.txt

🗓️ 04 Jan 2006 00:00:00Reported by Aliaksandr HartsuyeuType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 20 Views

New eVuln Advisory for Chipmunk Guestbook XSS Vulnerability. Unsanitized variable $homepage can execute arbitrary code in visitor's browser

Code
`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 ([email protected])  
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 ([email protected])  
`

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