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Package details: pkg:nuget/UmbracoCms@11.0.0
purl pkg:nuget/UmbracoCms@11.0.0
Next non-vulnerable version 11.4.2
Latest non-vulnerable version 12.3.4
Risk
Vulnerabilities affecting this package (4)
Vulnerability Summary Fixed by
VCID-azpt-qmk7-1ueu
Aliases:
CVE-2023-49279
GHSA-6xmx-85x3-4cv2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Umbraco is an ASP.NET content management system (CMS). Starting in version 7.0.0 and prior to versions 7.15.11, 8.18.9, 10.7.0, 11.5.0, and 12.2.0, a user with access to the backoffice can upload SVG files that include scripts. If the user can trick another user to load the media directly in a browser, the scripts can be executed. Versions 7.15.11, 8.18.9, 10.7.0, 11.5.0, and 12.2.0 contain a patch for this issue. Some workarounds are available. Implement the server side file validation or serve all media from an different host (e.g cdn) than where Umbraco is hosted.
11.5.0
Affected by 0 other vulnerabilities.
12.2.0
Affected by 0 other vulnerabilities.
VCID-m8gs-zxzd-e3hu
Aliases:
CVE-2023-37267
GHSA-h8wc-r4jh-mg7m
Improper Access Control Umbraco is a ASP.NET CMS. Under rare conditions a restart of Umbraco can allow unauthorized users access to admin-level permissions. This vulnerability was patched in versions 10.6.1, 11.4.2 and 12.0.1.
11.4.2
Affected by 0 other vulnerabilities.
12.0.1
Affected by 0 other vulnerabilities.
VCID-s3pr-pezb-4qf4
Aliases:
CVE-2023-48227
GHSA-335x-5wcm-8jv2
Incorrect Authorization Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.7.0, and 12.3.0, Backoffice users with send for approval permission but not publish permission are able to publish in some scenarios. Versions 8.18.10, 10.7.0, and 12.3.0 contains a patch for this issue. No known workarounds are available.
12.3.0
Affected by 0 other vulnerabilities.
VCID-wtw6-zcw6-2yd2
Aliases:
CVE-2023-38694
GHSA-xxc6-35r7-796w
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.7.0, and 12.1.0, a user with access to a specific part of the backoffice is able to inject HTML code into a form where it is not intended. Versions 8.18.10, 10.7.0, and 12.1.0 contain a patch for this issue.
12.1.0
Affected by 0 other vulnerabilities.
Vulnerabilities fixed by this package (0)
Vulnerability Summary Aliases
This package is not known to fix vulnerabilities.

Date Actor Action Vulnerability Source VulnerableCode Version
2026-06-02T04:46:34.242667+00:00 GitLab Importer Affected by VCID-azpt-qmk7-1ueu https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/UmbracoCms/CVE-2023-49279.yml 38.6.0
2026-06-02T04:46:33.847274+00:00 GitLab Importer Affected by VCID-wtw6-zcw6-2yd2 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/UmbracoCms/CVE-2023-38694.yml 38.6.0
2026-06-02T04:46:33.647070+00:00 GitLab Importer Affected by VCID-s3pr-pezb-4qf4 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/UmbracoCms/CVE-2023-48227.yml 38.6.0
2026-06-02T04:45:22.793016+00:00 GitLab Importer Affected by VCID-m8gs-zxzd-e3hu https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/UmbracoCms/CVE-2023-37267.yml 38.6.0