Kentico Xperience <= 13.0.109 Page Preview Reflected XSS

Advisories

severity: medium
date: December 18, 2025
Affecting: Xperience <= 13.0.109
CVE: CVE-2023-53738
CWE: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS: 5.1
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
References: Kentico DevNet Hotfixes
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.