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Ektron Content Management System (CMS) versions prior to 8.02 SP5 are vulnerable due to the use of the .NET XslCompiledTransform class with the enablescript property set to true. This configuration allows XSLT stylesheets to execute embedded scripts, enabling remote attackers to supply crafted XSL data that results in arbitrary code execution with NETWORK SERVICE privileges.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit module (modules/exploits/windows/http/ektron_xslt_exec.rb) targeting a remote code execution vulnerability (CVE-2012-5357) in Ektron CMS 8.02 (before SP5) on Windows 2003 SP2. The exploit abuses insecure usage of XslCompiledTransform in the Ektron CMS, allowing an attacker to submit a malicious XSLT containing embedded C# code. This code allocates memory, injects a Metasploit payload (as base64-encoded shellcode), and executes it via a new thread, resulting in arbitrary code execution with NETWORK SERVICE privileges. The module interacts with the vulnerable endpoint at /cms400min/WorkArea/ContentDesigner/ekajaxtransform.aspx using HTTP POST requests. The payload is fully customizable via Metasploit, and the exploit is operational, providing reliable code execution if the target is vulnerable. The repository is structured as a standard Metasploit module and is written in Ruby.
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