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CMS Made Simple (CMSMS) through version 2.2.7 is vulnerable to remote code execution via the 'module import' feature in the admin dashboard. An authenticated admin user can import a malicious XML package containing base64-encoded PHP code in a data element, which is then executed on the server.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a PowerShell exploit script (CMS-MadeSimple-RCE.ps1) targeting CMS Made Simple version 2.2.7 (CVE-2018-10517). The exploit works by uploading a malicious PHP module to the CMS via the /admin/moduleinterface.php endpoint, using a valid session cookie. The uploaded module contains a PHP payload that executes arbitrary shell commands provided via the 'c' GET parameter. The script then triggers the payload by sending a GET request to the uploaded PHP file, allowing the attacker to execute commands on the remote server. The repository includes a README with usage instructions and an example. The main exploit capabilities are remote command execution and file creation on the target server. The only code file is the PowerShell script, and the attack vector is network-based, requiring HTTP(S) access to the target CMS instance.
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