SB2025032479 - Arbitrary file upload in Kentico Xperience
Published: March 24, 2025 Updated: April 24, 2026
Security Bulletin ID
SB2025032479
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Arbitrary file upload (CVE-ID: CVE-2025-2749)
CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file extension when uploading files. A remote authenticated user can upload a malicious file onto the server into arbitrary location and compromise the affected system.
Remediation
Install update from vendor's website.