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CVE-2025-46736

Good to know:

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Date: May 6, 2025

Umbraco is a free and open source .NET content management system. Prior to versions 10.8.10 and 13.8.1, based on an analysis of the timing of post login API responses, it's possible to determine whether an account exists. The issue is patched in versions 10.8.10 and 13.8.1. No known workarounds are available.

Severity Score

Severity Score

Weakness Type (CWE)

Observable Response Discrepancy

CWE-204

Top Fix

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Upgrade Version

Upgrade to version Umbraco.Cms - 13.8.1;Umbraco.Cms - 10.8.10;Umbraco.Cms.Core - 10.8.10;Umbraco.Cms.Core - 13.8.1;Umbraco.Cms.Web.BackOffice - 13.8.1;umbraco.cms - 13.8.1;umbraco.cms - 10.8.10;https://github.com/umbraco/Umbraco-CMS.git - release-10.8.0;https://github.com/umbraco/Umbraco-CMS.git - release-13.8.1

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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