VULNERABILITY INTELLIGENCE
CVE-2020-36891
CVSS score5.4 MEDIUM
EPSS probability0.22%
CISA KEVNot currently listed
Published2025-12-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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.
Weakness classification
- disclosure@vulncheck.com: CWE-79
Primary references
- disclosure@vulncheck.com — Product
- disclosure@vulncheck.com — Third Party Advisory