CVE-2023-53737: Kentico Xperience <= 13.0.101 Localization Application Stored XSS

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-18 · updated 2026-06-17
Weakness: CWE-79

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.

Affected products

Kentico Xperience: through 13.0.101

References

https://devnet.kentico.com/download/hotfixes
https://www.vulncheck.com/advisories/kentico-xperience-localization-application-stored-xss2

Get alerted when CVE-2023-53737 or the next vulnerability affects your stack