It indicates weak or overly permissive CORS configurations such as wildcard origins, broad method or header allowances, origin mismatches, or timing exposure that increase attack surface but may also result from misconfiguration rather than explicit malicious intent.
The questions every analyst asks before acting on this signal.
It indicates weak or overly permissive CORS configurations such as wildcard origins, broad method or header allowances, origin mismatches, or timing exposure that increase attack surface but may also result from misconfiguration rather than explicit malicious intent.
It describes CORS configurations that match fingerprints seen in phishing kits, traffic brokers, malvertising chains, or credential-harvesting infrastructures, including credential-enabled wildcard origins and abuse-cluster-correlated patterns.
This is a strong malicious-context signal. The higher sublabel significantly increases confidence in abuse, especially when correlated with risky cookie behavior, redirector chains, telemetry anomalies, or DNS instability.
A realistic shape of the entry the engine appends to the risk_signals array when this signal fires. Evidence keys are subgroup-default; per-signal overrides documented in the API reference.
{
"slug": "http_cors_misconfiguration",
"name": "Suspicious CORS Exposure",
"group": "http_crawling_history",
"subgroup": "http_header_behaviors",
"direction": "malicious",
"evidence": {
"missing_security_headers": 4,
"cors_origin": "*",
"cors_credentials_allowed": true,
"provider_type": "self_hosted",
"risky_cookie_count": 2
}
}12 other signals share the same subgroup. They detect related behaviors and often co-fire on the same IOC.
It indicates missing, weak, contradictory, or overly permissive security headers (such as CSP, HSTS, X-Frame-Options, Pe…
It indicates that the site sets cookies issued by specific edge protection providers whose cookies appear far more often…
It indicates abnormal HTTP header structures such as unusually minimal or dense header sets, odd ordering, unexpected pr…
It indicates abnormal HTTP redirection patterns such as instant refresh redirects, header-based redirects, forced interm…
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