CVE-2024-55488

A stored cross-site scripting XSS vulnerability in Umbraco CMS v14.3.1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload. NOTE: This has been disputed by the vendor since this potential attack is only possible via authenticated users who have been manually allowed...

Umbraco CMS 安全漏洞

Umbraco CMS is a content management system from Umbraco, Denmark. A security vulnerability exists in Umbraco CMS version v14.3.1 that stems from vulnerability to a stored cross-site scripting attack that allows an attacker to execute arbitrary web script or HTML via a crafted payload...

CVE-2024-55488

CVE-2024-55488 affects Umbraco CMS v14.3.1 via a stored XSS in the Rich Text/Document context. The root cause cited is the absence of HTML sanitization at the product level, with the vendor disputing exploitation only via authenticated, whitelisted users. Impact per sources is the ability to exec...

XSS/HTML Injection Vulnerability in Umbraco Preview Badge

Impact Authenticated users are able to exploit an XSS vulnerability when viewing previewed content. Patches Will be patched in 10.8.8, 13.5.3, 14.3.2 and 15.1.2. Workarounds None available...

Cross-site Scripting (XSS)

Overview Umbraco.Cms.Web.Common is a package containing the web assembly needed to run Umbraco CMS. Affected versions of this package are vulnerable to Cross-site Scripting XSS when viewing previewed content. Details Cross-site scripting or XSS is a code vulnerability that occurs when an attacker...

GHSA-69CG-W8VM-H229 XSS/HTML Injection Vulnerability in Umbraco Preview Badge

Impact Authenticated users are able to exploit an XSS vulnerability when viewing previewed content. Patches Will be patched in 10.8.8, 13.5.3, 14.3.2 and 15.1.2. Workarounds None available...

GHSA-HMG4-WWM5-P999 Umbraco Allows User Enumeration Feasible Based On Management API Timing and Response Codes

Impact Based on an analysis of response codes and timing of Umbraco 14+ management API responses, it's possible to determine whether an account exists. Patches Patched in 14.3.2 and 15.1.2. Workarounds None available...

Umbraco Allows User Enumeration Feasible Based On Management API Timing and Response Codes

Impact Based on an analysis of response codes and timing of Umbraco 14+ management API responses, it's possible to determine whether an account exists. Patches Patched in 14.3.2 and 15.1.2. Workarounds None available...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure which allows an attacker to determine the existence of user accounts by analyzing the response times and codes. Remediation Upgrade Umbraco.Cms.Api.Management to version 14.3.2, 15.1.2 or higher. References - GitHub...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure which allows an attacker to determine the existence of user accounts by analyzing the response times and codes. Remediation Upgrade Umbraco.Cms.Core to version 14.3.2, 15.1.2 or higher. References - GitHub Commit -...

GHSA-WV8V-RMW2-25WC XSS/HTML Injection Vulnerability in Umbraco Backoffice Components

Impact Authenticated users are able to exploit an XSS vulnerability when viewing certain localized backoffice components. Patches Will be patched in 14.3.2 and 15.1.2. Note: This issue was reported by Pratik Patil from NetSPI @Nexusss-ppatil...

XSS/HTML Injection Vulnerability in Umbraco Backoffice Components

Impact Authenticated users are able to exploit an XSS vulnerability when viewing certain localized backoffice components. Patches Will be patched in 14.3.2 and 15.1.2. Note: This issue was reported by Pratik Patil from NetSPI @Nexusss-ppatil...

CVE-2025-24011

Umbraco is a free and open source .NET content management system. Starting in version 14.0.0 and prior to versions 14.3.2 and 15.1.2, it's possible to determine whether an account exists based on an analysis of response codes and timing of Umbraco management API responses. Versions 14.3.2 and...

CVE-2025-24012

Umbraco is a free and open source .NET content management system. Starting in version 14.0.0 and prior to versions 14.3.2 and 15.1.2, authenticated users are able to exploit a cross-site scripting vulnerability when viewing certain localized backoffice components. Versions 14.3.2 and 15.1.2 conta...

CVE-2025-24012

Umbraco Backoffice XSS (CVE-2025-24012): An authenticated user can trigger cross-site scripting when viewing certain localized backoffice components. Affected versions are 14.0.0 up to, but not including, 14.3.2 and 15.1.2. Patches are provided in 14.3.2 and 15.1.2. Remediation: upgrade Umbraco.C...

CVE-2025-24012 Umbraco Backoffice Components Have XSS/HTML Injection Vulnerability

Umbraco is a free and open source .NET content management system. Starting in version 14.0.0 and prior to versions 14.3.2 and 15.1.2, authenticated users are able to exploit a cross-site scripting vulnerability when viewing certain localized backoffice components. Versions 14.3.2 and 15.1.2 conta...

CVE-2025-24012 Umbraco Backoffice Components Have XSS/HTML Injection Vulnerability

Umbraco is a free and open source .NET content management system. Starting in version 14.0.0 and prior to versions 14.3.2 and 15.1.2, authenticated users are able to exploit a cross-site scripting vulnerability when viewing certain localized backoffice components. Versions 14.3.2 and 15.1.2 conta...

CVE-2025-24012 Umbraco Backoffice Components Have XSS/HTML Injection Vulnerability

Umbraco is a free and open source .NET content management system. Starting in version 14.0.0 and prior to versions 14.3.2 and 15.1.2, authenticated users are able to exploit a cross-site scripting vulnerability when viewing certain localized backoffice components. Versions 14.3.2 and 15.1.2 conta...

CVE-2025-24011 Umbraco CMS Vulnerable to User Enumeration Feasible Based On Management API Timing and Response Codes

Umbraco is a free and open source .NET content management system. Starting in version 14.0.0 and prior to versions 14.3.2 and 15.1.2, it's possible to determine whether an account exists based on an analysis of response codes and timing of Umbraco management API responses. Versions 14.3.2 and...

CVE-2025-24011 Umbraco CMS Vulnerable to User Enumeration Feasible Based On Management API Timing and Response Codes

Umbraco is a free and open source .NET content management system. Starting in version 14.0.0 and prior to versions 14.3.2 and 15.1.2, it's possible to determine whether an account exists based on an analysis of response codes and timing of Umbraco management API responses. Versions 14.3.2 and...