Weak HTTP Strict-Transport-Security - Detect
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Detected HTTP Strict-Transport-Security header with a weak max-age value (less than one year)."""
import re
from kittysploit import *
from lib.protocols.http.http_client import Http_client
class Module(Scanner, Http_client):
__info__ = {
'name': 'Weak HTTP Strict-Transport-Security - Detect',
'description': 'Detected HTTP Strict-Transport-Security header with a weak max-age value (less than one year). A low max-age reduces the effectiveness of HSTS, leaving users vulnerable to protocol downgrade attacks and cookie hijacking during the gap period.',
'author': ['KittySploit Team'],
'severity': 'info',
'tags': ['web', 'scanner', 'misconfiguration', 'misconfig', 'headers', 'hsts'],
'agent': {
'risk': 'active',
'effects': ['network_probe'],
'expected_requests': 1,
'reversible': True,
'approval_required': False,
'produces': ['tech_hints', 'risk_signals', 'endpoints'],
'cost': 1.0,
'noise': 0.3,
'value': 1.0,
'requires': {
'min_endpoints': 0,
'min_params': 0,
'tech_hints_any': [],
'tech_hints_all': [],
'specializations_any': [],
'risk_signals_any': [],
'auth_session': False,
'capabilities_any': [],
'capabilities_all': [],
'confidence_min': {},
'confidence_min_any': {},
'endpoint_pattern_any': [],
'param_any': [],
'api_surface_ready': False,
},
'chain': {
'produces_capabilities': [
{
'capability': 'admin_surface',
'from_detail': '',
},
],
'consumes_capabilities': [],
'option_bindings': {},
'suggested_followups': ['auxiliary/scanner/http/login_page_detector'],
},
},
'references': [
'https://owasp.org/www-project-secure-headers/',
'https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Strict-Transport-Security',
],
}
def run(self):
r = self.http_request(method="GET", path='/', allow_redirects=True)
if not r or r.status_code != 200:
return False
headers = "\n".join(f"{k}: {v}" for k, v in r.headers.items())
header_regexes = ('(?i)strict-transport-security:\\s*max-age=([0-9]{1,7}|[12][0-9]{7}|30[0-9]{6}|31[0-4][0-9]{5}|315[0-2][0-9]{4}|3153[0-5][0-9]{3})\\b',)
if (any(re.search(rx, headers, 0) for rx in header_regexes)):
self.set_info(
severity='info',
reason="Weak HTTP Strict-Transport-Security detected",
path='/',
)
return True
return False
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28 Jul 2026 11:27Current
5.9Medium risk
Vulners AI Score5.9