Kentico Xperience <= 13.0.101 Localization Application Stored XSS

Advisories

severity: medium
date: December 18, 2025
Affecting: Xperience <= 13.0.101
CVE: CVE-2023-53737
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:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
References: Kentico DevNet Hotfixes
Credit: Kentico Security Team
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.