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Fencer Intel
medium 4.3

CVE-2023-48227 json

Umbraco CMS Backoffice User can bypass "Publish" restriction

published 2y ago modified 2mo ago also GHSA-335x-5wcm-8jv2 , EUVD-2023-3077

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits
0
none known

Summary

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.

Patch / fix

  • nuget Umbraco.CMS 8.18.10, 10.8.0, 12.3.0
  • umbraco umbraco_cms 8.18.10, 10.7.0, 12.3.0

Is CVE-2023-48227 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2y ago

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-14).

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
GitHub 3.1 0.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N

Affected packages

ecosystem package affected fixed in
nuget Umbraco.CMS
>=8.0.0, <8.18.10
>=9.0.0, <10.8.0
>=11.0.0, <12.3.0
8.18.10
10.8.0
12.3.0

Affected products

  • umbraco Umbraco-CMS

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.