Rule History

alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Kentico Xperience CMS Cross Site Scripting via Unauthenticated File Upload Attempt (CVE-2025-2748)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/CMSModules/Content/CMSPages/MultiFileUploader.ashx|3f|"; fast_pattern; startswith; content:"Filename|3d|"; content:".zip"; within:150; content:"Complete|3d|false"; reference:cve,2025-2748; reference:url,labs.watchtowr.com/xss-to-rce-by-abusing-custom-file-handlers-kentico-xperience-cms-cve-2025-2748/; classtype:attempted-admin; sid:2061259; rev:1; metadata:affected_product Kentico_Xperience_CMS, attack_target Web_Server, tls_state plaintext, created_at 2025_04_03, cve CVE_2025_2748, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_04_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)