Vulnerability · Published Dec 30, 2020 · Assigned by tenable

CVE-2020-5810

Medium 5.4

In plain English

A medium-severity security flaw in Umbraco CMS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 62.0% (higher than 99.2% of all known vulnerabilities).

Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)62.0%top 0.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
n/a Umbraco CMS <= 8.9.1 or current (unfixed)

References