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    CVE-2024-34071

    Umbraco is an ASP.NET CMS used by more than 730.000 websites. Umbraco has an endpoint that is vulnerable to open redirects. The endpoint is protected so it requires the user to be signed into backoffice before the vulnerable is exposed. This vulnerability has been patched in version(s) 8.18.14, 10.8.6, 12.3.10 and 13.3.1.

    Published:May 21, 2024
    Last Modified:Feb 12, 2025
    EPS:May 21, 2024
    EPSS Score:0.00385
    CVSS Score:6.1

    Affected Products

    Vendor
    Umbraco
    Product
    Umbraco Cms

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

    Related CVEs

    CVE-2026-46609 (CVSS 4.6) — Umbraco is an ASP.NET CMS. From version 14.0.0 to before version 17.4.0, authenticated users are able to injec…
    CVE-2026-46616 (CVSS 5.4) — Umbraco is an ASP.NET CMS. Prior to versions 13.14.0 and 17.4.0, some of the Surface Controllers in the CMS pr…
    CVE-2026-31834 (CVSS 7.2) — Umbraco is an ASP.NET CMS. From 15.3.1 to before 16.5.1 and 17.2.2, A privilege escalation vulnerability has b…
    CVE-2026-31833 (CVSS 6.7) — Umbraco is an ASP.NET CMS. From 16.2.0 to before 16.5.1 and 17.2.2, An authenticated backoffice user with acce…
    CVE-2026-31832 (CVSS 5.4) — Umbraco is an ASP.NET CMS. From 14.0.0 to before 16.5.1 and 17.2.2, A broken object-level authorization vulner…
    CVE-2021-47776 (CVSS 6.9) — Umbraco CMS v8.14.1 contains a server-side request forgery vulnerability that allows attackers to manipulate b…
    CVE-2025-67288 (CVSS 10) — An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code by up…
    CVE-2025-66625 (CVSS 4.9) — Umbraco is an ASP.NET CMS. Due to unsafe handling and deletion of temporary files in versions 10.0.0 through 1…
    CVE-2012-10054 (CVSS 9.3) — Umbraco CMS versions prior to 4.7.1 are vulnerable to unauthenticated remote code execution via the codeEditor…
    CVE-2025-54425 (CVSS 5.3) — Umbraco is an ASP.NET CMS. In versions 13.0.0 through 13.9.2, 15.0.0 through 15.4.1 and 16.0.0 through 16.1.0,…

    References

    https://github.com/umbraco/Umbraco-CMS/commit/5f24de308584b9771240a6db1a34630a5114c450
    https://github.com/umbraco/Umbraco-CMS/commit/c17d4e1a600098ec524e4126f4395255476bc33f
    https://github.com/umbraco/Umbraco-CMS/commit/c8f71af646171074c13e5c34f74312def4512031
    https://github.com/umbraco/Umbraco-CMS/commit/d8df405db4ea884bb4b96f088d10d9a2070cf024
    https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-j74q-mv2c-rxmp
    https://github.com/umbraco/Umbraco-CMS/commit/5f24de308584b9771240a6db1a34630a5114c450
    https://github.com/umbraco/Umbraco-CMS/commit/c17d4e1a600098ec524e4126f4395255476bc33f
    https://github.com/umbraco/Umbraco-CMS/commit/c8f71af646171074c13e5c34f74312def4512031
    https://github.com/umbraco/Umbraco-CMS/commit/d8df405db4ea884bb4b96f088d10d9a2070cf024
    https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-j74q-mv2c-rxmp

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High