CVE-2022-21686: Server Side Twig Template Injection in PrestaShop

Q: What is CVE-2022-21686?

CVE-2022-21686 is a vulnerability in PrestaShop e-commerce platform versions 1.7.0.0 to 1.7.8.3 that allows attackers to inject twig code in the back office when using the legacy layout.

Q: What is the severity of CVE-2022-21686?

CVE-2022-21686 has a severity rating of 9.8 (Critical).

Q: How can an attacker exploit CVE-2022-21686?

An attacker can exploit CVE-2022-21686 by injecting twig code in the back office of affected PrestaShop versions.

Q: How can I fix CVE-2022-21686?

To fix CVE-2022-21686, you should update your PrestaShop installation to version 1.7.8.3 or later.

Q: Are there any known workarounds for CVE-2022-21686?

No, there are no known workarounds for CVE-2022-21686. Updating to the fixed version is the recommended solution.

Published Jan 26, 2022

Updated

PrestaShop is an Open Source e-commerce platform. Starting with version 1.7.0.0 and ending with version 1.7.8.3, an attacker is able to inject twig code inside the back office when using the legacy layout. The problem is fixed in version 1.7.8.3. There are no known workarounds.

Affected Software

1 affected component

Prestashop PrestaShop>=1.7.0.0<=1.7.8.3

Remediation

Patch Available

https://github.com/PrestaShop/PrestaShop/commit/d02b469ec365822e6a9f017e57f588966248bf21

Event History

Jan 26, 2022

CVE Published

via MITRE·08:10 PM

Data Sourced

via MITRE·08:10 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is CVE-2022-21686?

CVE-2022-21686 is a vulnerability in PrestaShop e-commerce platform versions 1.7.0.0 to 1.7.8.3 that allows attackers to inject twig code in the back office when using the legacy layout.

What is the severity of CVE-2022-21686?