OSS Calendar vulnerable to SQL injection


OSS Calendar provided by Thinkingreed Inc. contains an SQL injection vulnerability (CWE-89).

Shogo Iyota 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 8.8 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 6.5 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

  • OSS Calendar versions prior to v.2.0.3


A logged-in user may execute an arbitrary code or obtain and/or alter the information stored in the database by sending a specially crafted request.

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Update the software according to the information provided by the developer.
Vendor Information

CWE (What is CWE?)

  1. SQL Injection(CWE-89) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2023-47609

  1. JVN : JVN#67822421
  2. National Vulnerability Database (NVD) : CVE-2023-47609
Revision History

  • [2023/11/14]
      Web page was published
  • [2024/05/01]
      References : Content was added