CVE-2020-36891
Medium
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.
SeverityMedium
CVSS5.4
Exploit probability—
ProductKentico Xperience
PublishedDec 18, 2025
First seenDec 18, 2025
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| kentico xperience | v ≤ 12.0.49 | — |
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