CVE-2021-47712: Kentico Xperience

High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A cryptography vulnerability in Kentico Xperience allows attackers to potentially manipulate URL hash values through existing hashing mechanisms. The hotfix introduces an additional security layer to prevent hash value reuse and potential exploitation.

Affected products

• Kentico Xperience: up to and including 12.0.102

Published 2025-12-18. Last modified 2026-06-17.