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CVE-2024-50526 is an Unrestricted Upload of File with Dangerous Type vulnerability in the mahlamusa Multi Purpose Mail Form component/plugin affecting versions through 1.0.2. The upload functionality does not sufficiently restrict dangerous file types, enabling an attacker to upload a server-executable payload (e.g., a PHP web shell) to the web server, which can then be invoked to execute attacker-controlled code in the context of the web server process.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
Repository contains an operational Python exploit (CVE-2024-50526.py) plus a full copy of the vulnerable WordPress plugin source (Multi Purpose Mail Form v1.0.2) under plugin/1.0.2/ (including .svn artifacts). Exploit purpose/capabilities: - Unauthenticated arbitrary file upload to a WordPress site running the vulnerable Multi Purpose Mail Form plugin, leading to remote code execution. - Sends a multipart/form-data POST to a user-supplied form endpoint (--target) with a file field named file1 containing a PHP webshell named cmd.php. - Assumes the uploaded file becomes web-accessible at /wp-content/uploads/mpmf_uploads/cmd.php. - Performs a basic “verification” by printing the assumed payload URL (note: it does not actually request-check existence before claiming success; it only checks the original POST status code). - Fetches the payload URL to infer OS from php_uname('s') output and then provides an interactive loop that executes arbitrary commands via GET parameter cmd. Notable implementation details: - Hardcoded HTTP headers include Host: localhost and Origin: http://localhost, which may reduce reliability against real targets unless the server ignores these headers. - The exploit requires the attacker to provide the correct form identifier value via --form-name (mapped to POST parameter form_name). Repository structure: - CVE-2024-50526.py: main exploit entry point (Python, uses requests + argparse). - README.md: describes the exploit as a PoC for unauthenticated file upload leading to RCE and shows usage. - plugin/1.0.2/: WordPress plugin codebase (PHP/JS/CSS) for Multi Purpose Mail Form, including admin and public components, upload directory creation (WP_CONTENT_DIR/uploads/mpmf_uploads), and bundled reCAPTCHA library. The presence of .svn/pristine files suggests the plugin directory was copied from an SVN working copy. Overall, this repo is primarily an exploit PoC with a built-in PHP webshell payload and an interactive command execution interface, targeting WordPress sites running the vulnerable Multi Purpose Mail Form plugin.
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