Stored Cross-Site Scripting in Kentico Xperience by Kentico
CVE-2025-5591

7.7HIGH

Key Information:

Vendor

Kentico

Status
Kentico Xperience
Vendor
CVE Published:
5 January 2026

What is CVE-2025-5591?

Kentico Xperience 13 is susceptible to a stored cross-site scripting (XSS) vulnerability through a form component. This flaw enables attackers to inject malicious scripts that can be executed in the context of a victim user's browser, effectively allowing session hijacking. Consequently, an attacker can perform unauthorized actions on behalf of the victim, compromising their account and data.

Affected Version(s)

Kentico Xperience 13.0.167

References

https://www.themissinglink.com.au/security-advisories/cve...

CVSS V4

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Michael Nervo
.