CVE-2023-53738 Kentico Xperience <= 13.0.109 Page Preview Reflected XSS

What is CVE-2023-53738?

CVE-2023-53738 is a medium-severity cross-site scripting vulnerability in Kentico Xperience, published on 18 Dec 2025. 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

A reflected cross-site scripting vulnerability in Kentico Xperience allows authenticated users to inject malicious scripts via page preview URLs. Attackers can exploit this vulnerability to execute arbitrary scripts in users' browsers during page preview interactions.

Weakness: CWE-79

Which versions are affected by CVE-2023-53738?

It affects 1 product.

Products include Kentico Xperience.

How do I fix CVE-2023-53738?

No fix has been published for CVE-2023-53738 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-2023-53738 being exploited?

There is no known exploitation of CVE-2023-53738 in the wild and no public exploit code.

Other vulnerabilities in Kentico Xperience

• CVE-2025-2746 Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Exploited Critical 9.8
• CVE-2025-2747 Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Exploited Critical 9.8
• CVE-2019-10068 Kentico Xperience Deserialization of Untrusted Data Exploited Critical 9.8
• CVE-2025-2749 Kentico Xperience Path Traversal Exploited High 7.2
• CVE-2017-17736 Missing authorization in n/a Critical 9.8

All Kentico Xperience vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-739f-j5mp-m83f.