8.8

CVSS Score

3.0

-

CVSS Score

Basic Information

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CVE-2015-8814

CVE-2015-8814: Umbraco CMS vulnerable to CSRF

Umbraco before 7.4.0 allows remote attackers to bypass anti-forgery security measures and conduct cross-site request forgery (CSRF) attacks as demonstrated by editing user account information in the templates.asmx.cs file.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2015-8814

CVE-2015-8814:

8.8

CVSS Score

3.0

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
Umbraco.CMS	nuget	< 7.4.0	7.4.0

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability stems from two key issues: 1) The Save method in templates.asmx.cs performed sensitive operations without CSRF protection as evidenced by the advisory's explicit mention of this endpoint. 2) The AngularAntiForgeryHelper's validation logic was insufficient prior to the patch, as shown by the commit's significant refactoring of ValidateHeaders() to add proper cookie handling and error checking. The commit adds CSRF validation attributes to multiple controllers (BulkPublishController, DomainsApiController etc.), indicating these endpoints were previously unprotected. The advisory specifically calls out CSRF bypass via missing token validation in template editing workflows, which would be handled by these components.

Vulnerable functions

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Vulnerability Intelligence
Miggo AI

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WAF Protection Rules

WAF Rule

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Reasoning

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