CVE-2022-37430 Stored XSS using uppercase characters in HTMLEditor

Medium 5.4 Published Updated

Cross-site scripting vulnerability in Silverstripe framework allows attackers to inject malicious scripts via link href attributes.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2022-37430?

CVE-2022-37430 is a medium-severity cross-site scripting vulnerability in n/a, published on 23 Nov 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Silverstripe silverstripe/framework through 4.11 allows XSS vulnerability via href attribute of a link (issue 2 of 2).

Weakness: CWE-79

Which versions are affected by CVE-2022-37430?

2 open source packages ship an affected version, including silverstripe/framework. It affects 1 product.

PackageAffectedFixed in
silverstripe/framework PackagistFrom 4.0.04.11.13
silverstripe/framework PackagistFrom 4.0.04.11.13

Products include Silverstripe Framework.

How do I fix CVE-2022-37430?

Upgrade silverstripe/framework to 4.11.13 or later.

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-2022-37430 being exploited?

There is no known exploitation of CVE-2022-37430 in the wild and no public exploit code.

Sources

Also known as GHSA-qw4w-vq8v-2wcv.

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