Published:2008/12/03  Last Updated:2008/12/04

Movable Type Enterprise cross-site scripting vulnerability


Movable Type Enterprise contains a cross-site scripting vulnerability.

Products Affected

  • Movable Type Enterprise 1.5


Movable Type Enterprise, a web log system from Six Apart KK for business users, contains a cross-site scripting vulnerability.

This vulnerability is different from JVN#30385652 and JVN#81490697.


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


Update the Software
Update to the latest version of Movable Type Enterprise.
Latest versions as of December 3, 2008 are as follows:
- 1.56 for Movable Type Enterprise 1.x
- 4.23 for Movable Type Enterprise 4.x

Vendor Status

Vendor Status Last Update Vendor Notes
Six Apart KK Vulnerable 2008/12/03


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2008.12.03

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


Yosuke HASEGAWA of NetAgent Co.,Ltd. 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-2008-5808
JVN iPedia JVNDB-2008-000067

Update History