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CVE-2022-28108 is a Cross-Site Request Forgery vulnerability in Selenium Server (Grid) prior to 4. The issue exists because the Grid accepts non-JSON content types, including application/x-www-form-urlencoded, multipart/form-data, and text/plain, instead of restricting requests to the expected JSON format. This weak request validation enables browser-originated cross-site requests to be processed by the Grid. The provided context also references the issue as potentially leading to unauthenticated remote code execution via CSRF in Selenium Grid, but the specific vulnerable handler or request path is not identified in the supplied material.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit exploit module (code.rb) targeting CVE-2022-28108, a remote code execution vulnerability in Selenium Server (Grid) versions prior to 4.0.0-alpha-7. The exploit abuses the server's acceptance of non-JSON content types for POST requests to the /wd/hub/session endpoint, allowing arbitrary command execution via ChromeOptions. The module iterates through several Content-Type headers to evade detection and improve reliability. Upon successful exploitation, it can execute arbitrary commands, add a root-level backdoor user, and gather system information. The exploit is operational and can be used with any Metasploit payload, such as a reverse shell. The repository includes a README with detailed usage instructions and a custom license for the modifications. The only code file is code.rb, which is a Ruby Metasploit module. No hardcoded IPs or domains are present; the exploit is generic and targets the specified HTTP endpoints on the victim Selenium server.
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