CVE-2023-49089: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

December 12, 2023 (updated December 14, 2023)

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 12.3.0, Backoffice users with permissions to create packages can use path traversal and thereby write outside of the expected location. Versions 8.18.10, 10.8.1, and 12.3.0 contain a patch for this issue.

References

github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-6324-52pr-h4p5
nvd.nist.gov/vuln/detail/CVE-2023-49089

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