Movable Type plugin MT4i vulnerable to cross-site scripting


MT4i contains a cross-site scripting vulnerability.

MT4i is a Movable Type plugin. MT4i contains a cross-site scripting vulnerability.

Note that this vulnerability is different from JVN#80835745.

Yuji Tounai of bogus.jp 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 4.3 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

  • MT4i 3.1 beta 4 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

CWE (What is CWE?)

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

  1. CVE-2012-2644

  1. JVN : JVN#79111101
  2. National Vulnerability Database (NVD) : CVE-2012-2644
Revision History

  • [2012/07/06]
      Web page was published