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

Quick assessment

Affected
Kentico Xperience
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Kentico Xperience是Kentico公司的一个数字体验平台。 Kentico Xperience存在加密问题漏洞，该漏洞源于现有哈希机制可能被操纵，导致URL哈希值被篡改。

CVSS 7.5 · High EPSS 0.24% · P13

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-47712

Vulnerability Information
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Vulnerability Title
Kentico Xperience <= 12.0.102 URL Hashing Cryptography Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用已被攻破或存在风险的密码学算法
Source: CVE Program / CVE List V5
Vulnerability Title
Kentico Xperience 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kentico Xperience是Kentico公司的一个数字体验平台。 Kentico Xperience存在加密问题漏洞，该漏洞源于现有哈希机制可能被操纵，导致URL哈希值被篡改。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Kentico Xperience 0 ~ 12.0.102 -

II. Public POCs for CVE-2021-47712

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III. Intelligence Information for CVE-2021-47712

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Patches & Fixes for CVE-2021-47712 (1)

Other References for CVE-2021-47712 (1)

Same Patch Batch · Kentico · 2025-12-18 · 26 CVEs total

CVE-2019-25229 8.8 HIGH Kentico Xperience <= 12.0.29 MVC Forms Unrestricted File Upload
CVE-2021-47711 8.8 HIGH Kentico Xperience <= 13.0.52 Online Marketing Macros SQL Injection
CVE-2023-53934 7.5 HIGH Kentico Xperience <= 12.0.98 GetResource Handler Denial of Service
CVE-2022-50686 7.5 HIGH Kentico Xperience <= 12.0 Portal Engine Form Control Information Disclosure
CVE-2020-36890 7.2 HIGH Kentico Xperience <= 10 Administrator Access Control Bypass
CVE-2022-50682 6.5 MEDIUM Kentico Xperience <= 13.0.79 Routing Engine CRLF Injection
CVE-2022-50684 6.1 MEDIUM Kentico Xperience <= 13.0.71 Form Emails HTML Injection
CVE-2022-50681 6.1 MEDIUM Kentico Xperience <= 13.0.88 Rich Text Editor Reflected XSS
CVE-2024-58318 6.1 MEDIUM Kentico Xperience <= 13.0.162 Rich Text Editor Stored XSS
CVE-2024-58319 6.1 MEDIUM Kentico Xperience <= 13.0.160 Pages Dashboard Widget Reflected XSS
CVE-2022-50683 5.4 MEDIUM Kentico Xperience <= 13.0.74 Form Configuration Stored XSS
CVE-2020-36889 5.4 MEDIUM Kentico Xperience <= 12.0.90 Administration Interface Stored XSS
CVE-2020-36891 5.4 MEDIUM Kentico Xperience <= 12.0.49 File Upload Stored XSS
CVE-2023-53738 5.4 MEDIUM Kentico Xperience <= 13.0.109 Page Preview Reflected XSS
CVE-2023-53736 5.4 MEDIUM Kentico Xperience <= 13.0.120 Administration Interface Reflected XSS
CVE-2024-58322 5.4 MEDIUM Kentico Xperience <= 13.0.158 Shipping Options Stored XSS
CVE-2024-58321 5.4 MEDIUM Kentico Xperience <= 13.0.159 Form Validation Stored XSS
CVE-2024-58323 5.4 MEDIUM Kentico Xperience <= 13.0.158 Checkbox Form Component Stored XSS
CVE-2022-50685 5.4 MEDIUM Kentico Xperience <= 13.0.56 File Upload Stored XSS
CVE-2024-58317 5.3 MEDIUM Kentico Xperience <= 13.0.164 Cookie Security Configuration

Showing top 20 of 26 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Xperience
Same vendor: Kentico
Same weakness: CWE-327

V. Comments for CVE-2021-47712

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