CVE-2023-48227

Umbraco CMS Backoffice User can bypass "Publish" restriction

MEDIUM
4.3
CVSS Score
Published: December 12, 2023 at 05:12 PM UTC
Updated: June 17, 2026 at 06:33 AM UTC
1 product affected across 1 vendorUmbraco-CMS

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.7.0, and 12.3.0, Backoffice users with send for approval permission but not publish permission are able to publish in some scenarios. Versions 8.18.10, 10.7.0, and 12.3.0 contains a patch for this issue. No known workarounds are available.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 10.7.0v < 12.3.0v < 8.18.1011.0.0 ≤ v < 12.3.08.0.0 ≤ v < 8.18.109.0.0 ≤ v < 10.7.0
Affected range stops below 10.7.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.3.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.18.10, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-863

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