IMG-BBS from MT312 vulnerable to cross-site scripting


IMG-BBS from MT312 contains a cross-site scripting vulnerability.

IMG-BBS from MT312, is a web log system that supports posting picture files via email from a mobile phone. IMG-BBS contains a cross-site scripting vulnerability.

Note that versions of IMG-BBS (imgbbs.lzh) that contain "model.php" with a timestamp prior to May 21, 2009 are vulnerable.

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



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

[Update the software]
Update the software to the latest version at MT312 (imgbbs.lzh)
Vendor Information

CWE (What is CWE?)

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

  1. CVE-2009-1881

  1. JVN : JVN#70836284
  2. National Vulnerability Database (NVD) : CVE-2009-1881
  3. Secunia Advisory : SA35275
  4. JVN iPedia (Japanese) : JVNDB-2009-000034
Revision History

  • [2009/05/29]
      Web page published