# Umbraco.Cms.Web.BackOffice (NuGet) vulnerabilities

Source: https://junglewise.ai/threats/technologies/umbraco-cms-web-backoffice  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/umbraco-cms-web-backoffice.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Umbraco.Cms.Web.BackOffice (NuGet): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2025-27602, was published on 11 March 2025.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 4 (0 critical, 0 exploited in the wild)

## About Umbraco.Cms.Web.BackOffice (NuGet)

Back office administration interface package for Umbraco CMS content management system.

## Latest Umbraco.Cms.Web.BackOffice (NuGet) vulnerabilities

- [CVE-2025-27602: Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content](https://junglewise.ai/threats/cve-2025-27602-umbraco-allows-a-restricted-editor-user-to-delete-media-item-or) (low, CVSS 3.1, published 11 Mar 2025)
- [CVE-2024-34071: Umbraco CMS Open Redirect Bypass Protection](https://junglewise.ai/threats/cve-2024-34071-umbraco-cms-open-redirect-bypass-protection) (low, CVSS 3.1, published 21 May 2024)
- [CVE-2024-29035: Blind SSRF Leads to Port Scan by using Webhooks](https://junglewise.ai/threats/cve-2024-29035-blind-ssrf-leads-to-port-scan-by-using-webhooks) (low, CVSS 3.1, published 17 Apr 2024)
- [CVE-2023-37267: Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions](https://junglewise.ai/threats/cve-2023-37267-umbraco-allows-possible-admin-level-access-to-backoffice-without) (low, CVSS 3.1, published 13 Jul 2023)

## Most severe Umbraco.Cms.Web.BackOffice (NuGet) vulnerabilities

- [CVE-2023-37267: Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions](https://junglewise.ai/threats/cve-2023-37267-umbraco-allows-possible-admin-level-access-to-backoffice-without) (low, CVSS 3.1, published 13 Jul 2023)
- [CVE-2024-29035: Blind SSRF Leads to Port Scan by using Webhooks](https://junglewise.ai/threats/cve-2024-29035-blind-ssrf-leads-to-port-scan-by-using-webhooks) (low, CVSS 3.1, published 17 Apr 2024)
- [CVE-2024-34071: Umbraco CMS Open Redirect Bypass Protection](https://junglewise.ai/threats/cve-2024-34071-umbraco-cms-open-redirect-bypass-protection) (low, CVSS 3.1, published 21 May 2024)
- [CVE-2025-27602: Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content](https://junglewise.ai/threats/cve-2025-27602-umbraco-allows-a-restricted-editor-user-to-delete-media-item-or) (low, CVSS 3.1, published 11 Mar 2025)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other NuGet technologies

- [Microsoft.ChakraCore (NuGet)](https://junglewise.ai/threats/technologies/microsoft-chakracore): 247 vulnerabilities
- [Magick.NET-Q16-AnyCPU (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-anycpu): 167 vulnerabilities
- [Magick.NET-Q16-HDRI-AnyCPU (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-anycpu): 162 vulnerabilities
- [Magick.NET-Q8-AnyCPU (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q8-anycpu): 162 vulnerabilities
- [Magick.NET-Q16-HDRI-x86 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-x86): 160 vulnerabilities
- [Magick.NET-Q8-x86 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q8-x86): 160 vulnerabilities
- [Magick.NET-Q16-x86 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-x86): 159 vulnerabilities
- [Magick.NET-Q16-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-arm64): 157 vulnerabilities
- [Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-openmp-arm64): 157 vulnerabilities
- [Magick.NET-Q16-HDRI-x64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-hdri-x64): 157 vulnerabilities
- [Magick.NET-Q16-OpenMP-arm64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-openmp-arm64): 157 vulnerabilities
- [Magick.NET-Q16-OpenMP-x64 (NuGet)](https://junglewise.ai/threats/technologies/magick-net-q16-openmp-x64): 157 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Umbraco.Cms.Web.BackOffice (NuGet) vulnerabilities", https://junglewise.ai/threats/technologies/umbraco-cms-web-backoffice, 9 November 2026.
