CVE-2021-20751: XSS

Published Jun 28, 2021
·
Updated

Cross-site scripting vulnerability in EC-CUBE EC-CUBE 4.0.0 to 4.0.5-p1 (EC-CUBE 4 series) allows a remote attacker to inject an arbitrary script by leading an administrator or a user to a specially crafted page and to perform a specific operation.

Affected Software

3 affected componentsFixes available
composer/ec-cube/ec-cube>=4.0.0<=4.0.5-p1
4.0.6
EC-CUBE EC-CUBE>=4.0.0<4.0.5
EC-CUBE EC-CUBE=4.0.5.

Event History

Jun 28, 2021
CVE Published
via MITRE·12:50 AM
Data Sourced
via MITRE·12:50 AM
DescriptionWeakness
May 24, 2022
Advisory Published
via GitHub·07:06 PM

Frequently Asked Questions

1

What is CVE-2021-20751?

CVE-2021-20751 is a cross-site scripting vulnerability in EC-CUBE 4.0.0 to 4.0.5-p1 (EC-CUBE 4 series) that allows a remote attacker to inject an arbitrary script by leading an administrator or a user to a specially crafted page and to perform a specific operation.

2

What software is affected by CVE-2021-20751?

EC-CUBE 4.0.0 to 4.0.5-p1 (EC-CUBE 4 series) is affected by CVE-2021-20751.

3

How severe is CVE-2021-20751?

CVE-2021-20751 has a severity rating of 6.1 (Medium).

4

How can an attacker exploit CVE-2021-20751?

An attacker can exploit CVE-2021-20751 by leading an administrator or a user to a specially crafted page and performing a specific operation.

5

Are there any additional resources for CVE-2021-20751?

Yes, you can find additional information on CVE-2021-20751 at the following references: [JVN](https://jvn.jp/en/jp/JVN95292458/index.html) and [EC-CUBE](https://www.ec-cube.net/info/weakness/weakness.php?id=78).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203