Umbraco.Cms.Web.Backoffice (nuget) has 4 known vulnerabilities, the worst rated HIGH. Upgrade to 13.7.1 or later to clear all of them. No malicious-package signal is recorded.
3 direct dependencies
2 carry known advisories, worst HIGH
Tracked for PyPI packages. HuggingFace models declare Python dependencies, so nuget packages are not covered.
CVSS v3.1 base score out of 10
chance of exploitation in 30 days, 54th percentile of all CVEs
CyberXYZ composite out of 10
fig. 01 — GHSA-h8wc-r4jh-mg7m, the advisory selected below
Under rare conditions, a restart of Umbraco can allow unauthorized users to gain admin-level permissions.
Full advisory text at GitHub advisory or NVD.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CyberXYZ does not call a package safe in absolute terms. It records 4 known vulnerabilities for Umbraco.Cms.Web.Backoffice (nuget), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Yes. CyberXYZ records 4 known vulnerabilities for Umbraco.Cms.Web.Backoffice (nuget), the worst rated HIGH. They are GHSA-h8wc-r4jh-mg7m, GHSA-wx5h-wqfq-v698, GHSA-j74q-mv2c-rxmp, GHSA-74p6-39f2-23v3.
13.7.1 or later clears every advisory recorded for Umbraco.Cms.Web.Backoffice (nuget). Check the release you pick before installing it.
Search Umbraco.Cms.Web.Backoffice in CyberXYZ Check at https://cyberxyz.io/check?q=Umbraco.Cms.Web.Backoffice. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 11:38 UTC. The most recent advisory here was published 2025-03-11. Updated continuously from NVD, GHSA, OSV and CNA feeds.