Multiple Things CGI products vulnerable to cross-site scripting


Multiple CGI products provided by Things contain a cross-site scripting vulnerability.

BBS and BBS Thread provided by Things are bulletin board software. BBS and BBS Thread contain a cross-site scripting vulnerability.

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

  • BBS Thread version 2.0.2 and earlier
  • BBS version 2.0.2 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.

This issue was resolved in the following versions:

BBS version 2.0.3
BBS Thread version 2.0.3
Vendor Information

CWE (What is CWE?)

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

  1. CVE-2011-0455

  1. JVN : JVN#20982938
  2. National Vulnerability Database (NVD) : CVE-2011-0455
  3. Secunia Advisory : SA43524
  4. SecurityFocus : 46638
  5. ISS X-Force Database : 65852
Revision History

  • [2011/03/02]
      Web page published