Site Calendar 'mycaljp' vulnerable to cross-site scripting


Site Calendar 'mycaljp' contains a cross-site scripting vulnerability.

Site Calendar 'mycaljp' is a calendar plugin for Geeklog, which is an open source content management system. Site Calendar 'mycaljp' contains a cross-site scripting vulnerability.

The affected plugin is also contained in the following packages:

* Japanese extended package of Geeklog versions 1.5.0 through 1.5.2
Only packages released on or before June 29, 2009 are affected.

For more information, refer to the developers' website.

Masako Oono 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

  • Geeklog versions 1.5.0 through 1.5.2 (Japanese extended package)
  • mycaljp Ver.2.0.0 - 2.0.6


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 developers.
Vendor Information

CWE (What is CWE?)

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

  1. CVE-2009-3021

  1. JVN : JVN#20478978
  2. National Vulnerability Database (NVD) : CVE-2009-3021
  3. Secunia Advisory : SA36413
  4. Secunia Advisory : SA36404
Revision History

  • [2009/08/26]
      Web page published