What is CVE-2020-8120?

CVE-2020-8120 is a medium-severity vulnerability in Nextcloud Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-02-04.

How severe is CVE-2020-8120?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Nextcloud Server

CVE-2020-8120

A reflected Cross-Site Scripting vulnerability in Nextcloud Server 16.0.1 was discovered in the svg generation.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (56.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Nextcloud Nextcloud_server — versions 16.0.1
N/a Nextcloud Server — versions 16.0.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

support@hackerone.com (Exploit, Third Party Advisory, x_refsource_MISC)
support@hackerone.com (x_refsource_MISC, Broken Link, Vendor Advisory)

Frequently asked questions

What is CVE-2020-8120?: CVE-2020-8120 is a medium-severity vulnerability in Nextcloud Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-02-04.
How severe is CVE-2020-8120?: Medium severity. CVSS v3 base score is 6.1 out of 10.