CVE-2021-47711 Kentico Xperience <= 13.0.52 Online Marketing Macros SQL Injection
Authenticated editors can inject SQL via online marketing macros, enabling unauthorized database access and data manipulation in Kentico Xperience.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-47711?
CVE-2021-47711 is a high-severity SQL injection vulnerability in Kentico Xperience, published on 18 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-89
Which versions are affected by CVE-2021-47711?
It affects 1 product.
Products include Kentico Xperience.
How do I fix CVE-2021-47711?
No fix has been published for CVE-2021-47711 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2021-47711 being exploited?
There is no known exploitation of CVE-2021-47711 in the wild and no public exploit code.
Other vulnerabilities in Kentico Xperience
- CVE-2025-2746 Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel
- CVE-2025-2747 Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel
- CVE-2019-10068 Kentico Xperience Deserialization of Untrusted Data
- CVE-2025-2749 Kentico Xperience Path Traversal
- CVE-2017-17736 Missing authorization in n/a
Sources
Also known as GHSA-hhh6-7j8c-5mhg.