CVE-2023-49273: Umbraco CMS vulnerable to Privilege Escalation using Spoofing
Impact Users with low privileges ( Editor, etc) are able to access some unintended endpoints.
Explanation of the vulnerability Possible to delete redirect urls, when disabled by admin with only access to backoffice Possible to access the examine dashboard with only access to backoffice Possible to access the published cache dashboard with only access to backoffice Possible to access the telemetry dashboard with only access to backoffice Possible to access the languages with only access to backoffice Possible to access the stylesheets with only access to backoffice
Other sources
Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.4, users with low privileges (Editor, etc.) are able to access some unintended endpoints. Versions 8.18.10, 10.8.1, and 12.3.4 contain a patch for this issue.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2023-49273?
CVE-2023-49273 has been classified with a high severity level due to unauthorized access to certain endpoints by users with low privileges.
How do I fix CVE-2023-49273?
To fix CVE-2023-49273, upgrade Umbraco CMS to version 12.3.4, 10.8.1, or 8.18.10 depending on your current version.
What components are affected by CVE-2023-49273?
CVE-2023-49273 affects Umbraco CMS versions from 9.0.0 up to 12.3.4 and includes all intermediate versions.
What is the impact of CVE-2023-49273?
The impact of CVE-2023-49273 allows low-privilege users to access unintended features and delete restricted redirect URLs.
Who is at risk from CVE-2023-49273?
Users with low privileges, such as Editors, are at risk from CVE-2023-49273 due to their ability to access unauthorized endpoints.