Stored Cross-Site Scripting Vulnerability in Kentico Xperience by Kentico
CVE-2020-36889

5.1MEDIUM

Key Information:

Vendor

Kentico

Status
Vendor
CVE Published:
18 December 2025

What is CVE-2020-36889?

A stored cross-site scripting vulnerability exists in Kentico Xperience that enables attackers to inject malicious scripts into the administration interface. By exploiting this flaw, attackers may execute harmful scripts in the browsers of administrators when they view error messages containing specifically crafted object names. This can lead to unauthorized actions and exposure of sensitive information, posing a significant risk to user security and data integrity.

Affected Version(s)

Xperience 0 <= 12.0.90

References

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kentico Security Team
.
CVE-2020-36889 : Stored Cross-Site Scripting Vulnerability in Kentico Xperience by Kentico