CVE-2023-53934 Kentico Xperience <= 12.0.98 GetResource Handler Denial of Service

High 8.7 Published Updated

Remote attackers can cause denial of service in Kentico Xperience by sending specially crafted requests to the GetResource handler due to improper input validation.

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

What is CVE-2023-53934?

CVE-2023-53934 is a high-severity denial of service vulnerability in Kentico Xperience, published on 18 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A denial of service vulnerability in Kentico Xperience allows attackers to launch DoS attacks via specially crafted requests to the GetResource handler. Improper input validation enables remote attackers to potentially disrupt service availability through maliciously constructed requests.

Weakness: CWE-97

Which versions are affected by CVE-2023-53934?

It affects 1 product.

Products include Kentico Xperience.

How do I fix CVE-2023-53934?

No fix has been published for CVE-2023-53934 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-53934 being exploited?

There is no known exploitation of CVE-2023-53934 in the wild and no public exploit code.

All Kentico Xperience vulnerabilities

Sources

Also known as GHSA-cxwj-5fh2-c47j.

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