CVE-2022-34297 Yii2 Gii Cross-site Scripting vulnerability

Medium 5.4 Published Updated

Attackers can inject malicious scripts into Yii2 Gii fields, leading to stored XSS and potential code execution in the browser context.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-34297?

CVE-2022-34297 is a medium-severity cross-site scripting vulnerability in n/a, published on 9 Dec 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Yii Yii2 Gii through 2.2.4 allows stored XSS by injecting a payload into any field.

Weakness: CWE-79

Which versions are affected by CVE-2022-34297?

2 open source packages ship an affected version, including yiisoft/yii2-gii. It affects 1 product.

PackageAffectedFixed in
yiisoft/yii2-gii PackagistAll versions to 2.2.4None
yiisoft/yii2-gii PackagistAll versions to 2.2.4None

Products include Yiiframework Gii.

How do I fix CVE-2022-34297?

No fix has been published for CVE-2022-34297 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-2022-34297 being exploited?

There is no known exploitation of CVE-2022-34297 in the wild and no public exploit code.

Sources

Also known as GHSA-x87m-36g7-6mpw.

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