Kentico Xperience <= 13.0.120 Administration Interface Reflected XSS

Advisories

severity: medium
date: December 18, 2025
Affecting: Xperience <= 13.0.120
CVE: CVE-2023-53736
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
Credit: James Taylor | Cantarus
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.