XSS in Kentico Xperience
CVE-2023-53738
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (9.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Kentico Xperience — versions 0
Weakness classification (CWE)
References
- devnet.kentico.com/download/hotfixes (Product, vendor-advisory, patch)
- www.vulncheck.com/advisories/kentico-xperience-page-preview-reflected-xss (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-53738?
- CVE-2023-53738 is a medium-severity vulnerability in Kentico Xperience, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-12-18.
- How severe is CVE-2023-53738?
- Medium severity. CVSS v3 base score is 5.4 out of 10.