CVE-2023-53736 Kentico Xperience <= 13.0.120 Administration Interface Reflected XSS
Authenticated attackers can inject malicious scripts into the Kentico Xperience administration interface, potentially leading to arbitrary code execution or account takeover.
- 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-2023-53736?
CVE-2023-53736 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 in the administration interface. Attackers can exploit this vulnerability to execute arbitrary scripts within the administrative context.
Weakness: CWE-79
Which versions are affected by CVE-2023-53736?
It affects 1 product.
Products include Kentico Xperience.
How do I fix CVE-2023-53736?
No fix has been published for CVE-2023-53736 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-2023-53736 being exploited?
There is no known exploitation of CVE-2023-53736 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
- CVE-2025-2747 Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel
- CVE-2019-10068 Kentico Xperience Deserialization of Untrusted Data
- CVE-2025-2749 Kentico Xperience Path Traversal
- CVE-2017-17736 Missing authorization in n/a
Sources
Also known as GHSA-xpw7-75g3-5w2q.