CVE-2020-5810 — MEDIUM (5.4)

Q: What is CVE-2020-5810?

CVE-2020-5810 is a vulnerability with a CVSS score of 5.4 (MEDIUM). A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user authorized to upload media can upload a malicious .svg file which act as a stored XSS payload.

Q: How severe is CVE-2020-5810?

CVE-2020-5810 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-2020-5810?

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

Vulnerability Description

A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user authorized to upload media can upload a malicious .svg file which act as a stored XSS payload.

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
Umbraco	Umbraco Cms	<= 8.9.1

Related Weaknesses (CWE)

CWE-79

References

https://www.tenable.com/security/research/tra-2020-59ExploitThird Party Advisory
https://www.tenable.com/security/research/tra-2020-59ExploitThird Party Advisory

FAQ

What is CVE-2020-5810?

CVE-2020-5810 is a vulnerability with a CVSS score of 5.4 (MEDIUM). A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user authorized to upload media can upload a malicious .svg file which act as a stored XSS payload.

How severe is CVE-2020-5810?

CVE-2020-5810 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-2020-5810?

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