CVE-2025-2747

Kentico Xperience <= 13.0.178 Staging Sync Server None Password Type Authentication Bypass

9.8 CriticalIn KEV

An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server component password handling for the server defined None type. Authentication bypass allows an attacker to control administrative objects.This issue affects Xperience through 13.0.178.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

97.2%Up 97.1 points since Mar 25, 2025

What each source reports

CVE List Score used 9.8

Kentico Xperience <= 13.0.178 Staging Sync Server None Password Type Authentication Bypass

Record: CVE-2025-2747
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-288
Updated: 2026-11-02

EUVDEUVD-2025-8009 9.8

Record: EUVD-2025-8009
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-8345-rfq2-7h8q 9.8

An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the...

Record: GHSA-8345-rfq2-7h8q
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-287, CWE-288
Updated: 2026-11-02

CISA KEV No score

Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability

Kentico Xperience CMS contains an authentication bypass using an alternate path or channel vulnerability that could allow an attacker to control administrative objects.

Record: CVE-2025-2747
Weakness: CWE-288
Updated: 2026-11-02

NVD 9.8

Record: CVE-2025-2747
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-288
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Nuclei	Kentico Xperience 13 CMS - Staging Service Authentication Bypass (WT-2025-0006)

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, CISA KEV, Nuclei, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-2747 is a critical vulnerability (CVSS 9.8) in Kentico Xperience, published March 24, 2025. CISA lists it as known to be exploited, since October 20, 2025. EUVD reports exploitation since October 20, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 97.2%, the 99th percentile. No source names a fixed version.