Actively exploited · Published Mar 24, 2025 · Assigned by VulnCheck
CVE-2025-2749Kentico Xperience <= 13.0.178 Staging Media File Upload Authenticated RCE
High 7.2 Exploited
In plain English
A high-severity path traversal in Xperience from Kentico. Attackers are actively exploiting it in the wild (listed by CISA on April 20, 2026). The chance it is exploited in the next 30 days is estimated at 4.0% (higher than 91% of all known vulnerabilities). Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA guidance
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by May 4, 2026.
Official description
An authenticated remote code execution in Kentico Xperience allows authenticated users Staging Sync Server to upload arbitrary data to path relative locations. This results in path traversal and arbitrary file upload, including content that can be executed server side leading to remote code execution.This issue affects Kentico Xperience through 13.0.178.
Affected products (as reported)
Weakness: CWE-22, CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- https://labs.watchtowr.com/bypassing-authentication-like-its-the-90s-pre-auth-rce-chain-s-in-kentico-xperience-cms/ technical-description, exploit
- https://devnet.kentico.com/download/hotfixes vendor-advisory, patch
- https://www.vulncheck.com/advisories/kentico-xperience-staging-media-file-upload-authenticated-rce third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2749 government-resource