Medium severity5.3NVD Advisory· Published Dec 12, 2023· Updated Jun 17, 2026
CVE-2023-49278
CVE-2023-49278
Description
Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.4, a brute force exploit can be used to collect valid usernames. Versions 8.18.10, 10.8.1, and 12.3.4 contain a patch for this issue.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
Umbraco.CMSNuGet | >= 8.0.0, < 8.18.10 | 8.18.10 |
Umbraco.CMSNuGet | >= 9.0.0, < 10.8.1 | 10.8.1 |
Umbraco.CMSNuGet | >= 11.0.0, < 12.3.4 | 12.3.4 |
Affected products
3cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*range: >=8.0.0,<8.18.10
- (no CPE)range: >= 8.0.0, < 8.18.10
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-7x74-h8cw-qhxqghsaADVISORY
- github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-7x74-h8cw-qhxqnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2023-49278ghsaADVISORY
News mentions
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