shiromuku(u1)GUESTBOOK vulnerable to cross-site scripting


shiromuku(u1)GUESTBOOK from Perl CGI's By Mrs. Shiromuku is a bulletin board software. shiromuku(u1)GUESTBOOK contains a cross-site scripting vulnerability.

Koki Takahashi 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

Perl CGI's By Mrs.Shiromuku
  • shiromuku(u1)GUESTBOOK version1.62 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

Perl CGI's By Mrs.Shiromuku
CWE (What is CWE?)

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

  1. CVE-2015-0871

  1. JVN : JVN#17480391
  2. National Vulnerability Database (NVD) : CVE-2015-0871
Revision History

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