Movable Type cross-site scripting vulnerability


Movable Type contains a cross-site scripting vulnerability.

Movable Type, a web log system from Six Apart KK, contains a cross-site scripting vulnerability.
This vulnerability is a different vulnerability than past reports on JVN.

A successful attack requires mt-wizard.cgi not to be deleted after initial setup. For more information, refer to the developer's website.

Masashi Shiraishi reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 2.6 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

Six Apart, Ltd.
  • Movable Type 4.25 (includes Professional and Community Packs) and earlier
  • Movable Type (commercial) 4.25 (includes Professional Pack) and earlier
  • Movable Type (enterprise) 4.25 and earlier
  • Movable Type 4.25 (Open Source) and earlier


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 developer.
Vendor Information

Six Apart, Ltd.
CWE (What is CWE?)

  1. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2009-2492

  1. JVN : JVN#86472161
  2. National Vulnerability Database (NVD) : CVE-2009-2492
Revision History

  • [2009/07/01]
      Web page published