What’s Vulnerable › Vulnerabilities

CVE-2021-47712: Kentico Xperience <= 12.0.102 URL Hashing Cryptography Vulnerability

• Severity: high (CVSS 7.5 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-327

Description

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: through 12.0.102

References

• https://devnet.kentico.com/download/hotfixes
• https://www.vulncheck.com/advisories/kentico-xperience-url-hashing-cryptography-vulnerability

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