Published:2009/05/22  Last Updated:2009/05/27

Cross-site scripting vulnerability in leger (free edition)


leger (free edition) from 'AD2000' contains a cross-site scripting vulnerability.

Products Affected

  • leger (free edition) May 22, 2009 edition (Ver.1.6.4) and earlier


leger (free edition) from 'AD2000' is a software to manage conference room reservations. leger (free edition) contains a cross-site scripting vulnerability.


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


Update the Software
Update to the latest version according to the information provided by the vendor.


JPCERT/CC Addendum

The vendor has reported that Ver. 1.6.4 released on May 22, 2009 did not address the vulnerability. The vulernability has been addressed in Ver. 1.6.5 released on May 26, 2009. For more information, refer to the vendor's website.

Vulnerability Analysis by JPCERT/CC

Analyzed on 2009.05.22

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


Tsuyoshi Ishibashi of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendor under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2009-2240
JVN iPedia JVNDB-2009-000031

Update History