VULNERABILITY INTELLIGENCE
CVE-2020-5810
CVSS score5.4 MEDIUM
EPSS probability61.95%
CISA KEVNot currently listed
Published2020-12-30
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 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.
Weakness classification
- nvd@nist.gov: CWE-79
Primary references
- vulnreport@tenable.com — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory