CVE-2025-49147— Umbraco.Cms Vulnerable to Disclosure of Configured Password Requirements
Quick assessment
Affected
umbraco Umbraco-CMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Umbraco是丹麦Umbraco公司的一套C#编写的开源的内容管理系统（CMS）。 Umbraco 10.0.0至10.8.10版本和13.0.0至13.9.1版本存在安全漏洞，该漏洞源于通过匿名认证端点可检索配置的密码要求信息，可能有助于暴力破解。
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I. Basic Information for CVE-2025-49147
Vulnerability Information
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Vulnerability Title
Umbraco.Cms Vulnerable to Disclosure of Configured Password Requirements
Source: CVE Program / CVE List V5
Vulnerability Description
Umbraco, a free and open source .NET content management system, has a vulnerability in versions 10.0.0 through 10.8.10 and 13.0.0 through 13.9.1. Via a request to an anonymously authenticated endpoint it's possible to retrieve information about the configured password requirements. The information available is limited but would perhaps give some additional detail useful for someone attempting to brute force derive a user's password. This information was not exposed in Umbraco 7 or 8, nor in 14 or higher versions. The vulnerability is patched in versions 10.8.11 and 13.9.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
将系统数据暴露到未授权控制的范围
Source: CVE Program / CVE List V5
Vulnerability Title
Umbraco 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Umbraco是丹麦Umbraco公司的一套C#编写的开源的内容管理系统（CMS）。 Umbraco 10.0.0至10.8.10版本和13.0.0至13.9.1版本存在安全漏洞，该漏洞源于通过匿名认证端点可检索配置的密码要求信息，可能有助于暴力破解。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| umbraco | Umbraco-CMS | >= 10.0.0, < 10.8.111 | - |
|
II. Public POCs for CVE-2025-49147
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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Umbraco has Stored XSS in UFM Rendering Pipeline via Permiss
Same vendor: umbraco
-
CVE-2026-69197
Umbraco: Delivery API leaks protected (Public Access) conten -
CVE-2026-46609
Umbraco.Cms: XSS/HTML Injection in Umbraco Backoffice confir -
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Umbraco.Cms: Open Redirect Vulnerability in Surface Controll -
CVE-2026-31834
Umbraco Affected by Vertical Privilege Escalation via Missin -
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Umbraco has Stored XSS in UFM Rendering Pipeline via Permiss
Same weakness: CWE-497
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V. Comments for CVE-2025-49147
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