CVE-2023-53737 Kentico Xperience <= 13.0.101 Localization Application Stored XSS
Global administrators can inject malicious scripts via the Localization application, leading to stored XSS in the administration interface.
- 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
- None listed
What is CVE-2023-53737?
CVE-2023-53737 is a medium-severity cross-site scripting vulnerability in Kentico Xperience, published on 18 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A stored cross-site scripting vulnerability in Kentico Xperience allows global administrators to inject malicious payloads via the Localization application. Attackers can execute scripts that could affect multiple parts of the administration interface.
Weakness: CWE-79
Which versions are affected by CVE-2023-53737?
It affects 1 product.
Products include Kentico Xperience.
How do I fix CVE-2023-53737?
No fix has been published for CVE-2023-53737 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-2023-53737 being exploited?
There is no known exploitation of CVE-2023-53737 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-pfmv-v9q4-5mwf.