alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET WEB_SPECIFIC_APPS WordPress Core PHP Template Path Traversal (CVE-2026-87902)"; flow:established,to_server; http.uri; content:"page_id="; content:"pagename=templates"; fast_pattern; pcre:"/^[^&]*?(?:(?:\x2e|%+(?:25)?2[Ee]|%+(?:25)?32%+(?:25)?[46]5|%+[cC]0%+[aA][eE]){1,2}(?:\x2f|\x5c|%+(?:25)?(?:25)?5[Cc]|%+(?:25)?2[Ff]|%+[cC]0%+[aA][fF]){1,}){2,}/R"; http.method; content:"POST"; reference:url,hadrian.io/vulnerability-alerts/cve-2026-87902-working-poc-wordpress-critical-path-traversal; reference:cve,2026-87902; classtype:web-application-attack; sid:2072260; rev:1; metadata:affected_product Wordpress, attack_target Server, tls_state TLSDecrypt, created_at 2026_09_25, cve CVE_2026_87902, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2026_09_25, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)