Is CVE-2021-47711 actively exploited?

CVE-2021-47711 has no public evidence of in-the-wild exploitation as of 2025-12-24.

What is the CVSS score for CVE-2021-47711?

CVE-2021-47711 has a CVSS score of 8.7 (HIGH severity). Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2021-47711?

Patch guidance is available from kentico security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-47711.

Fix CVE-2021-47711 - HIGH kentico xperience

Description

A SQL injection vulnerability in Kentico Xperience allows authenticated editors to inject malicious SQL queries via online marketing macro method parameters. This enables unauthorized database access and potential data manipulation by exploiting macro method input validation weaknesses.

CVSS Metrics

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-89 · SQL Injection

Metadata

Primary Vendor: KENTICO
Published: 12/18/2025
Last Modified: 12/24/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-47711

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary