CVE-2025-2747: Kentico Xperience CMS authentication bypass in Staging Sync Server

CVE-2025-2747 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2025-10-20

Kentico Xperience is a content management system (CMS) used to build and manage websites and digital marketing campaigns. A critical security flaw in its staging synchronization component allows unauthorized individuals to bypass login requirements and gain administrative control over the system. This could lead to the theft of sensitive customer data, website defacement, or a total shutdown of the digital platform.

Technologies: Kentico Xperience. Vendors: Kentico.

Quick answers

Is CVE-2025-2747 exploited in the wild?
Yes. CVE-2025-2747 is known to be exploited in the wild, first recorded on 20 October 2025. Treat it as urgent.
How severe is CVE-2025-2747?
Critical severity, with a CVSS score of 9.8, published 20 October 2025.
Which products and versions are affected?
Kentico Xperience up to and including 13.0.178.
Is there a fix for CVE-2025-2747?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2025-2747 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2025-2747?
Check whether you run Kentico Xperience or Kentico Xperience CMS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An authentication bypass vulnerability (CWE-288) exists in Kentico Xperience through version 13.0.178. The flaw is located within the Staging Sync Server component's handling of passwords when the server is configured with the 'None' password type. A remote, unauthenticated attacker can exploit this over the network to bypass authentication mechanisms and gain control over administrative objects. This vulnerability has been observed being exploited in the wild and can be used as part of a chain to achieve remote code execution (RCE). Hotfixes are available from the vendor's developer portal.

Affected products

  • Kentico Xperience up to and including 13.0.178

Timeline

  • 2025-03-24: disclosed: Initial NVD publication
  • 2025-10-20: kev added: Added to CISA Known Exploited Vulnerabilities catalog
  • 2025-10-20: advisory: CISA advisory published

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