Published:2021/06/23  Last Updated:2021/06/23

JVN#95292458
Multiple cross-site scripting vulnerabilities in EC-CUBE

Overview

EC-CUBE provided by EC-CUBE CO.,LTD. contains multiple cross-site scripting vulnerabilities.

Products Affected

CVE-2021-20750

  • EC-CUBE 3.0.0 to 3.0.18-p2 (EC-CUBE 3 series)
  • EC-CUBE 4.0.0 to 4.0.5-p1 (EC-CUBE 4 series)
CVE-2021-20751
  • EC-CUBE 4.0.0 to 4.0.5-p1 (EC-CUBE 4 series)

Description

EC-CUBE provided by EC-CUBE CO.,LTD. contains multiple cross-site scripting vulnerabilities listed below.

  • Cross-site scripting vulnerability (CWE-79) - CVE-2021-20750
    CVSS v3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Base Score: 6.1
    CVSS v2 AV:N/AC:H/Au:N/C:N/I:P/A:N Base Score: 2.6
  • Cross-site scripting vulnerability (CWE-79) - CVE-2021-20751
    CVSS v3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Base Score: 6.1
    CVSS v2 AV:N/AC:H/Au:N/C:N/I:P/A:N Base Score: 2.6

Impact

  • If a remote attacker leads an administrator of the product to a specially crafted page and to perform a specific operation, an arbitrary script may be executed on the administrator's web browser - CVE-2021-20750
  • If a remote attacker leads an administrator or a user of the product to a specially crafted page and to perform a specific operation, an arbitrary script may be executed on the administrator's or the user's web browser - CVE-2021-20751

Solution

Update the software
An update is available for EC-CUBE 4 series.
Update to the latest version according to the information provided by the developer.
For EC-CUBE 3 series, there is no update but a patch is available.

Apply the patch
Patches are available for both EC-CUBE 3 and EC-CUBE 4 series.
For more information, refer to the information provided by the developer.

Vendor Status

Vendor Status Last Update Vendor Notes
EC-CUBE CO.,LTD. Vulnerable 2021/06/23 EC-CUBE CO.,LTD. website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Credit

hibiki moriyama of STNet, Incorporated reported these vulnerabilities to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2021-20750
CVE-2021-20751
JVN iPedia JVNDB-2021-000057