CVE-2023-49274

5.3 mediumEPSS 0.5%

Medium (5.3) in umbraco umbraco cms. EPSS 0.5% chance of exploitation in the next 30 days.

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 user enumeration attack is possible when SMTP is not set up correctly, but reset password is enabled. Versions 8.18.10, 10.8.1, and 12.3.4 contain a patch for this issue.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2023-12-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

umbraco:umbraco_cms

References

https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-8qp8-9rpw-j46c
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-8qp8-9rpw-j46c

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