Published:2008/09/17  Last Updated:2008/09/18

Kantan WEB Server cross-site scripting vulnerability


Kantan WEB Server provided by Arihiro Kurata contains a cross-site scripting vulnerability.

Products Affected

  • Kantan WEB Server 1.8 and earlier


Kantan WEB Server is a web server for Windows provided by Arihiro Kurata. Kantan WEB Server contains a cross-site scripting vulnerability.


An arbitrary script may be executed on the user's web browser.


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Apply the latest update provided by the developer.

Vendor Status

Vendor Status Last Update Vendor Notes
Kurata Arihiro Vulnerable 2008/09/17


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2008.09.17

Measures Conditions Severity
Access Required Routed - can be attacked over the Internet using packets
  • High
Authentication None - anonymous or no authentication (IP addresses do not count)
  • High
User Interaction Required Simple - the user must be convinced to take a standard action that does not feel harmful to most users, such as click on a link or view a file
  • Medium
Exploit Complexity Low - little to no expertise and/or luck required to exploit (cross-site scripting)
  • High

Description of each analysis measures


Daiki Fukumori of Secure Sky Technology, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2008-4533
JVN iPedia JVNDB-2008-000060

Update History