CVE-2025-2749
HighExploitedPublic exploitAn authenticated remote code execution in Kentico Xperience allows authenticated users Staging Sync Server to upload arbitrary data to path relative locations.
Published Mar 24, 2025 · Updated Apr 21, 2026
Key Facts
Patch immediately- CVE-2025-2749 is a high-severity vulnerability (CVSS 7.2 v3.1) affecting Xperience (Kentico).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 20, 2026. Public exploit code is available.
- EPSS estimates a 4.0% probability of exploitation in the next 30 days.
- Fixed versions are available, including Xperience 13.0.178.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.2
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
4.0%
Higher than 90.4% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2025-2749 brief as a PDF
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Apr 20, 2026 | May 4, 2026 | Not reported |
| Industry KEV feed | Apr 20, 2026 | May 4, 2026 | Not reported |
| CIRCL KEV | Apr 20, 2026 | May 4, 2026 | Not reported |
| ENISA EUVD | Apr 20, 2026 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| XperienceKentico | See advisory | 13.0.178 |
Patched Releases
Xperience
13.0.178
Timeline
Publicly disclosed
Mar 24, 2025
Added to CISA KEV
Apr 20, 2026
Added to Industry KEV feed
Apr 20, 2026
Added to CIRCL KEV
Apr 20, 2026
Added to ENISA EUVD
Apr 20, 2026
Last updated
Apr 21, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
- advisoryhttps://www.vulncheck.com/advisories/kentico-xperience-staging-media-file-upload-authenticated-rce
- patchhttps://devnet.kentico.com/download/hotfixes
- exploithttps://labs.watchtowr.com/bypassing-authentication-like-its-the-90s-pre-auth-rce-chain-s-in-kentico-xperience-cms/
- exploitVulnCheck exploitation report
- otherhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2749
FAQ
Common Questions.
An authenticated remote code execution in Kentico Xperience allows authenticated users Staging Sync Server to upload arbitrary data to path relative locations.
Affected: Xperience (Kentico). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 20, 2026.
Yes. It was added on Apr 20, 2026 with a federal remediation due date of May 4, 2026.
Public exploit code is available.
Fixed versions are available, including Xperience 13.0.178.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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