alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Adobe Experience Manager Forms XML External Entity Injection (CVE-2025-54254)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/edcws/services/urn:EDCLicenseService"; fast_pattern; startswith; http.request_body; content:"|3c|EDCSecurity|3e|"; content:"<!ENTITY|20|"; pcre:"/^(?:\x26\x23(?:x25|37)\x3b|\x25|[a-z]+)\x20[a-z]+\x20[A-Z]+\x20[\x22\x27][^\x22]*[\x22\x27]\x3e/R"; reference:url,slcyber.io/assetnote-security-research-center/struts-devmode-in-2025-critical-pre-auth-vulnerabilities-in-adobe-experience-manager-forms/; reference:cve,2025-54254; classtype:web-application-attack; sid:2064046; rev:1; metadata:affected_product Adobe_Experience_Manager, attack_target Server, tls_state TLSDecrypt, created_at 2025_08_19, cve CVE_2025_54254, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_19, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)