CVE-2023-49279
CVSS 3.1 Score 5.4 of 10 (medium)
Details
Published Dec 12, 2023
Updated: Dec 15, 2023
CWE ID 79
Summary
CVE-2023-49279 is a vulnerability affecting Umbraco, an ASP.NET content management system. Users with backoffice access can upload SVG files containing scripts, which can be executed if another user loads the media directly in their browser. This issue impacts versions 7.0.0 and prior to 7.15.11, 8.18.9, 10.7.0, 11.5.0, and 12.2.0. Patches are available for these versions, and workarounds include implementing server-side file validation or serving all media from a different host.
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Affected Products
- Umbraco CMS
Affected Vendors
- Umbraco HQ
Advisories, Assessments, and Mitigations
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