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The Catch Themes Demo Import WordPress plugin, up to and including version 1.7, contains an arbitrary file upload vulnerability in the import functionality implemented in ~/inc/CatchThemesDemoImport.php. The vulnerability arises from insufficient file type validation, allowing an attacker with administrative privileges to upload malicious files, potentially leading to remote code execution on the server.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit module targeting the WordPress plugin 'Catch Themes Demo Import' (versions < 1.8), which is vulnerable to authenticated arbitrary file upload (CVE-2021-39352). The exploit requires valid WordPress credentials and leverages insufficient file type validation in the plugin's import functionality to upload a malicious PHP payload. The module logs in to WordPress, retrieves a required ajax_nonce, and uploads the payload via the admin-ajax.php endpoint. The payload is then triggered by accessing it in the uploads directory. The default payload is a PHP Meterpreter reverse shell, but any compatible PHP payload can be used. The exploit is weaponized, as it is part of the Metasploit framework and allows for customizable payloads. The code is well-structured, with clear separation of the check and exploit phases, and includes references to the original vulnerability and related advisories.
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