Published:2008/08/29  Last Updated:2008/08/29

Blogn vulnerable to cross-site scripting


Blogn from R-ONE Computer contains a cross-site scripting vulnerability.

Products Affected

  • Blogn v1.9.7 and earlier


Blogn from R-ONE Computer is software for creating blogs. Blogn contains a cross-site scripting vulnerability.


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


Update the Software
Apply the latest update provided by the vendor.

Vendor Status

Vendor Status Last Update Vendor Notes
Blogn Vulnerable 2008/08/29


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2008.08.29

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


Masako Ohno of NetAgent Co., Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendor under Information Technology Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2008-3884
JVN iPedia JVNDB-2008-000055

Update History