Vulnerability · Published Jan 21, 2025 · Assigned by GitHub_M

CVE-2025-24012Umbraco Backoffice Components Have XSS/HTML Injection Vulnerability

Medium 4.6

In plain English

A medium-severity cross-site scripting in Umbraco-CMS from umbraco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.6Medium
Exploit odds (30 days)0.3%top 80.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Umbraco is a free and open source .NET content management system. Starting in version 14.0.0 and prior to versions 14.3.2 and 15.1.2, authenticated users are able to exploit a cross-site scripting vulnerability when viewing certain localized backoffice components. Versions 14.3.2 and 15.1.2 contain a patch.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
NuGetumbraco.cms.staticassets14.3.2GHSA-wv8v-rmw2-25wc
NuGetumbraco.cms.staticassets15.1.2GHSA-wv8v-rmw2-25wc
npm@umbraco-cms/backoffice14.3.2GHSA-wv8v-rmw2-25wc
npm@umbraco-cms/backoffice15.1.2GHSA-wv8v-rmw2-25wc

Affected products (as reported)

VendorProductVersions
umbraco Umbraco-CMS >= 14.0.0, < 14.3.2>= 15.0.0, < 15.1.2

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

References