CVE-2020-36891 — MEDIUM (5.4)

Q: How severe is CVE-2020-36891?

CVE-2020-36891 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2020-36891?

Check the references section above for vendor advisories and patch information. Affected products include: Kentico Xperience.

Vulnerability 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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Kentico	Xperience	<= 12.0.49

Related Weaknesses (CWE)

CWE-79

References

https://devnet.kentico.com/download/hotfixesProduct
https://www.vulncheck.com/advisories/kentico-xperience-file-upload-stored-xssThird Party Advisory

FAQ

What is CVE-2020-36891?

CVE-2020-36891 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 ...

How severe is CVE-2020-36891?

CVE-2020-36891 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-36891?

Check the references section above for vendor advisories and patch information. Affected products include: Kentico Xperience.