CVE-2021-33666 Cross-site scripting in SAP Commerce Cloud

Medium 4.7 Published Updated

MIME sniffing in SAP Commerce Cloud JavaScript storefront allows attackers to execute cross-site scripting attacks or distribute malware.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-33666?

CVE-2021-33666 is a medium-severity cross-site scripting vulnerability in SAP Commerce Cloud, published on 9 Jun 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

When SAP Commerce Cloud version 100, hosts a JavaScript storefront, it is vulnerable to MIME sniffing, which, in certain circumstances, could be used to facilitate an XSS attack or malware proliferation.

Weakness: CWE-79

Which versions are affected by CVE-2021-33666?

It affects 1 product.

Products include Sap Commerce Cloud.

How do I fix CVE-2021-33666?

No fix has been published for CVE-2021-33666 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-33666 being exploited?

There is no known exploitation of CVE-2021-33666 in the wild and no public exploit code.

Sources

Also known as GHSA-v57c-67jc-mg6g.

Is CVE-2021-33666 in your software?

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