Umbraco-RCE

Umbraco RCE exploit / PoC Umbraco CMS 7.12.4 - Authenticated Remote Code Execution EDB-49488 PacketStorm WLB-2020080012 Usage root@kitploit: $ python exploit.py -h usage: exploit.py -h -u USER -p PASS -i URL -c CMD -a ARGS Umbraco authenticated RCE optional arguments: -h, --help show this help...

CVE-2019-25137-Version-Research

CVE-2019-25137 Affected Version Research CVE-2019-25137 Overview CVE-2019-25137 is a XSLT injection vulnerability in Umbraco CMS. The vulnerability is present in the XSLT Extensive Stylesheet Language Transformations Visualizer webpage. The vulnerable URI for this webpage is...

CVE-2026-46609

Umbraco is an ASP.NET CMS. From version 14.0.0 to before version 17.4.0, authenticated users are able to inject HTML into an input field, which is rendered in the confirmation dialog without proper output encoding. This issue has been patched in version 17.4.0...

CVE-2026-46616

Umbraco is an ASP.NET CMS. Prior to versions 13.14.0 and 17.4.0, some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from user-controlled query parameters vulnerable to malicious...

CVE-2026-46609 Umbraco.Cms: XSS/HTML Injection in Umbraco Backoffice confirmation dialog

Umbraco is an ASP.NET CMS. From version 14.0.0 to before version 17.4.0, authenticated users are able to inject HTML into an input field, which is rendered in the confirmation dialog without proper output encoding. This issue has been patched in version 17.4.0...

EUVD-2026-36070

Umbraco is an ASP.NET CMS. From version 14.0.0 to before version 17.4.0, authenticated users are able to inject HTML into an input field, which is rendered in the confirmation dialog without proper output encoding. This issue has been patched in version 17.4.0...

CVE-2026-46616 Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers

Umbraco is an ASP.NET CMS. Prior to versions 13.14.0 and 17.4.0, some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from user-controlled query parameters vulnerable to malicious...

EUVD-2026-36069

Umbraco is an ASP.NET CMS. Prior to versions 13.14.0 and 17.4.0, some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from user-controlled query parameters vulnerable to malicious...

Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers

Impact Some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from user-controlled query parameters vulnerable to malicious redirect attacks. Patches The issue is resolved in versions...

GHSA-2QJJ-H6WP-C7H7 Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers

Impact Some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from user-controlled query parameters vulnerable to malicious redirect attacks. Patches The issue is resolved in versions...

PT-2026-42585

Impact Some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from user-controlled query parameters vulnerable to malicious redirect attacks. Patches The issue is resolved in versions...

PT-2026-42705

🟠 Umbraco CMS, Open Redirect in Surface Controllers, CVE-2025-47874 Medium https://t.co/PmivsVMa8k...

PT-2026-42683

Name of the Vulnerable Software and Affected Versions Umbraco CMS versions prior to 17.4.0 Description Authenticated users can inject HTML into an input field. This content is then rendered in the confirmation dialog without proper output encoding, leading to Cross-Site Scripting XSS or HTML...

CVE-2026-31833

Umbraco is an ASP.NET CMS. From 16.2.0 to before 16.5.1 and 17.2.2, An authenticated backoffice user with access to Settings can inject malicious HTML into property type descriptions. Due to an overly permissive attributeNameCheck configuration /.+/ in the UFM DOMPurify instance, event handler...

EUVD-2026-10937

Umbraco Affected by Vertical Privilege Escalation via Missing Authorization Checks...

CVE-2026-31832

Umbraco is an ASP.NET CMS. From 14.0.0 to before 16.5.1 and 17.2.2, A broken object-level authorization vulnerability exists in a backoffice API endpoint that allows authenticated users to assign domain-related data to content nodes without proper authorization checks. The issue is caused by...

CVE-2026-31833 Umbraco has Stored XSS in UFM Rendering Pipeline via Permissive DOMPurify Attribute Filtering

Umbraco is an ASP.NET CMS. From 16.2.0 to before 16.5.1 and 17.2.2, An authenticated backoffice user with access to Settings can inject malicious HTML into property type descriptions. Due to an overly permissive attributeNameCheck configuration /.+/ in the UFM DOMPurify instance, event handler...

Umbraco 安全漏洞

Umbraco is an open-source content management system CMS written in C by the Danish company Umbraco. Versions of Umbraco from 14.0.0 to 16.5.1, as well as versions before 17.2.2, have security vulnerabilities. These vulnerabilities stem from insufficient authorization for backend API endpoints,...

Umbraco 安全漏洞

Umbraco is an open-source content management system CMS written in C by the Danish company Umbraco. Versions of Umbraco from 15.3.1 to 16.5.1 and before, as well as versions prior to 17.2.2, have security vulnerabilities. These vulnerabilities stem from insufficient authorization when modifying...

Server-Side Request Forgery (SSRF)

Umbraco CMS is vulnerable to Server-Side Request Forgery SSRF. The vulnerability is due to improper validation of the baseUrl parameter in dashboard and help controller endpoints, which allows an attacker to craft requests that force the server to make unauthorized requests to external hosts...