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TI-2024-32620 Aliases CVE-2024-48925GHSA-4gp9-ff99-j6vj

Umbraco CMS Improper Access Control Vulnerability Allows Low-Privilege Users to Access Webhook API

Priority LOW 29CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-284.

Summary

Umbraco, a free and open source .NET content management system, has an improper access control issue starting in version 14.0.0 and prior to version 14.3.0. The issue allows low-privilege users to access the webhook API and retrieve information that should be restricted to users with access to the settings section. Version 14.3.0 contains a patch.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00381 32nd percentileScored 2026-11-07
Fix Fixed Umbraco-CMS (umbraco): 14.3.0Umbraco.CMS (NuGet): 14.3.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
umbracoUmbraco-CMS14.0.0 to before 14.3.014.3.0Patch availableCNA
—Umbraco.CMS (NuGet)14.0.0 to before 14.3.014.3.0Patch availableGHSA-4gp9-ff99-j6vj
  • Umbraco-CMS Vendorumbraco Affected 14.0.0 to before 14.3.0 Fixed in 14.3.0 Patch available CNA
  • Umbraco.CMS (NuGet) Vendor— Affected 14.0.0 to before 14.3.0 Fixed in 14.3.0 Patch available GHSA-4gp9-ff99-j6vj

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*14.0.0 to before 14.3.0Vulnerableumbraco
  • cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:* Versions 14.0.0 to before 14.3.0 Vulnerable ·umbraco

Remediation

  • Fix · CNA Umbraco-CMS (umbraco) Fixed in 14.3.0
  • Fix · GHSA-4gp9-ff99-j6vj Umbraco.CMS (NuGet) Fixed in 14.3.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-48925
  2. 2026-10-03 Alias added: GHSA-4gp9-ff99-j6vj

References

Advisory 2

Other 1

  • TI-2025-41183 An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute… CVSS 3.1CRITICAL 10.0
  • TI-2012-05477 Umbraco CMS < 4.7.1 codeEditorSave.asmx RCE CVSS 4.0CRITICAL 9.3
  • TI-2021-22392 Umbraco v8.14.1 - 'baseUrl' SSRF CVSS 4.0MEDIUM 6.9
  • TI-2024-36846 A stored cross-site scripting (XSS) vulnerability in Umbraco CMS v14.3.1 allows attackers… CVSS 3.1MEDIUM 6.5
  • TI-2019-15240 Umbraco CMS 4.11.8 through 7.15.10, and 7.12.4, allows Remote Code Execution by… CVSS 3.1HIGH 7.2
  • TI-2020-04738 Cross-site scripting in Umbraco CMS CVSS 3.1MEDIUM 5.4
See all 56 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences