alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
msg:"ET WEB_SPECIFIC_APPS ServiceNow AI Platform Unauthenticated JavaScript Sandbox Escape Remote Code Execution (CVE-2026-6875)";
flow:established,to_server;
http.uri;
content:"/assessment_thanks.do?"; fast_pattern;
content:"sysparm_assessable_type|3d|";
pcre:"/^[^&]*?javascript(?:\x3a|\x25(?:25)?3[aA])/Ri";
reference:url,slcyber.io/research-center/smashing-the-servicenow-sandbox-pre-authentication-rce/;
reference:cve,2026-6875;
classtype:web-application-attack;
sid:2071353; rev:1;
metadata:affected_product ServiceNow, attack_target Server, tls_state TLSDecrypt, created_at 2026_07_31, cve CVE_2026_6875, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2026_07_31, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)