EC-CUBE plugin "Product Image Bulk Upload Plugin" vulnerable to insufficient verification in uploading files


EC-CUBE plugin "Product Image Bulk Upload Plugin", a plugin that enables to upload image files, provided by EC-CUBE CO.,LTD. contains an insufficient verification vulnerability when uploading files (CWE-20).
Exploiting this vulnerability allows a remote unauthenticated attacker to upload arbitrary files other than image files.

EC-CUBE CO.,LTD. reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and EC-CUBE CO.,LTD. coordinated under the Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 6.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: Low
CVSS V2 Severity:
Base Metrics 5.1 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

  • EC-CUBE plugin "Product Image Bulk Upload Plugin" 1.0.0
  • EC-CUBE plugin "Product Image Bulk Upload Plugin" 4.1.0


One of the attack scenarios and the possible impacts is as follows:
If a user with an administrative privilege of EC-CUBE where the vulnerable plugin is installed is led to uploads a specially crafted file, an arbitrary script may be executed on the system.

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

CWE (What is CWE?)

  1. Improper Input Validation(CWE-20) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2022-37346

  1. JVN : JVN#30900552
Revision History

  • [2022/09/15]
      Web page was published