EC-CUBE plugin "Coupon Plugin" vulnerable to SQL injection


EC-CUBE plugin "Coupon Plugin" provided by Seed Inc. contains an SQL injection vulnerability (CWE-89).

Gen Sato of TRADE WORKS Co.,Ltd. Security Dept. 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 6.5 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 6.4 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

Seed Inc.
  • Coupon Plugin Ver1.5 and earlier


Information stored in the database may be obtained or altered by a remote attacker.

[Update the plugin]
Update to the latest version 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-2016-4837

  1. JVN : JVN#40696431
  2. National Vulnerability Database (NVD) : CVE-2016-4837
Revision History

  • [2016/07/25]
      Web page was published
      References : Content was added