PerlTreeBBS vulnerable to cross-site scripting


PerlTreeBBS from Homepage Decorator is a tree-structured bulletin board software. PerlTreeBBS contains a persistent cross-site scripting vulnerability (CWE-79).

Shoji Baba 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 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

Homepage Decorator
  • PerlTreeBBS 2.30 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

Homepage Decorator
CWE (What is CWE?)

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

  1. CVE-2015-0873

  1. JVN : JVN#96155055
  2. National Vulnerability Database (NVD) : CVE-2015-0873
Revision History

  • [2015/02/13]
      Web page was published