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CVE-2023-4634 is a vulnerability in the Media Library Assistant plugin for WordPress (versions up to and including 3.09) that allows unauthenticated attackers to perform Local File Inclusion (LFI) and Remote Code Execution (RCE). The vulnerability arises from insufficient validation of the 'mla_stream_file' parameter in the ~/includes/mla-stream-image.php file, which is used in conjunction with Imagick() for image processing. Attackers can supply arbitrary file paths, including files uploaded via FTP, leading to directory listing, LFI, and ultimately RCE.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (2 hidden).
This repository provides a fully operational exploit for CVE-2023-4634, an unauthenticated remote code execution vulnerability in the Wordpress Media-Library-Assistant plugin (versions < 3.10) when used with default Imagick configuration. The exploit leverages a local file inclusion (LFI) vulnerability that allows an attacker to trigger remote file inclusion via the 'mla_stream_file' parameter in the plugin's PHP code. The attack requires the setup of an attacker-controlled FTP server (to host crafted SVG/MSL files) and an HTTP server (to host a polyglot PNG/PHP payload). The Python script (CVE-2023-4634.py) automates the exploitation process, including the generation of necessary polyglot files, brute-forcing file names, and verifying successful payload drop. The YAML file (CVE-2023-4634.yaml) provides a nuclei template for detection. The README.md gives detailed setup and usage instructions, including mitigation advice. The exploit results in a PHP webshell being dropped on the target, granting unauthenticated remote code execution. The repository is well-structured, with clear separation between exploit code, detection template, and documentation.
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