A stored cross-site scripting vulnerability in Kentico Xperience allows attackers to upload files with spoofed Content-Type that do not match file extensions. Attackers can exploit this vulnerability by uploading malicious files with manipulated MIME types, allowing malicious scripts to execute in users' browsers.
History

Thu, 18 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 18 Dec 2025 20:00:00 +0000

Type Values Removed Values Added
Description A stored cross-site scripting vulnerability in Kentico Xperience allows attackers to upload files with spoofed Content-Type that do not match file extensions. Attackers can exploit this vulnerability by uploading malicious files with manipulated MIME types, allowing malicious scripts to execute in users' browsers.
Title Kentico Xperience <= 12.0.49 File Upload Stored XSS
First Time appeared Kentico
Kentico xperience
Weaknesses CWE-79
CPEs cpe:2.3:a:kentico:xperience:*:*:*:*:*:*:*:*
Vendors & Products Kentico
Kentico xperience
References
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2025-12-18T21:48:14.482Z

Reserved: 2025-12-09T11:05:19.896Z

Link: CVE-2020-36891

cve-icon Vulnrichment

Updated: 2025-12-18T21:09:00.634Z

cve-icon NVD

Status : Received

Published: 2025-12-18T20:15:49.490

Modified: 2025-12-18T20:15:49.490

Link: CVE-2020-36891

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.