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.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

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
JSON
.