Joruri Gw vulnerable to cross-site scripting


Joruri Gw provided by SiteBridge Inc. is groupware. Message Memo function of Joruri Gw contains a cross-site scripting vulnerability (CWE-79).

Tsutomu Aramaki of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 5.4 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 3.5 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: Single Instance
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

SiteBridge Inc.
  • Joruri Gw Ver 3.2.5 and earlier


An arbitrary script may be executed on the web browser of the user who is accessing the specific page of the product.

[Update the software]
Update the software to the latest version according to the information provided by the developer.
Vendor Information

SiteBridge Inc.
CWE (What is CWE?)

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

  1. CVE-2023-27888

  1. JVN : JVN#87559956
  2. National Vulnerability Database (NVD) : CVE-2023-27888
Revision History

  • [2023/04/17]
      Web page was published
  • [2024/05/30]
      References : Content was added