Umbraco CMS up to 4.7.0 SOAP Endpoint codeEditorSave.asmx fileName unrestricted upload

Summaryinfo

A vulnerability classified as critical has been found in Umbraco CMS up to 4.7.0. This affects an unknown function of the file codeEditorSave.asmx of the component SOAP Endpoint. This manipulation of the argument fileName causes unrestricted upload. This vulnerability appears as CVE-2012-10054. The attack may be initiated remotely. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Umbraco CMS up to 4.7.0 and classified as critical. Affected by this vulnerability is some unknown processing of the file codeEditorSave.asmx of the component SOAP Endpoint. The manipulation of the argument fileName with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Umbraco CMS versions prior to 4.7.1 are vulnerable to unauthenticated remote code execution via the codeEditorSave.asmx SOAP endpoint, which exposes a SaveDLRScript operation that permits arbitrary file uploads without authentication. By exploiting a path traversal flaw in the fileName parameter, attackers can write malicious ASPX scripts directly into the web-accessible /umbraco/ directory and execute them remotely.

The weakness was presented by Toby Clarke. The advisory is shared at raw.githubusercontent.com. This vulnerability is known as CVE-2012-10054 since 08/11/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 4.7.1 eliminates this vulnerability. The upgrade is hosted for download at web.archive.org.

The vulnerability is also documented in the databases at Exploit-DB (19671) and EUVD (EUVD-2012-6600). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Content Management System

Vendor

• Umbraco

Name

• CMS

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7.0

CPE 2.3info

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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