Adobe Experience Manager Forms Insecure Deserialization (CVE-2025-49533)

This rule detects attempts to exploit an insecure deserialization vulnerability (CVE-2025-49533) in Adobe Experience Manager Forms. The detection is based on specific HTTP URI patterns and content within the request body, looking for '/FormServer/servlet/GetDocumentServlet' followed by 'serDoc=' and 'H4sIAA', which are indicators of a serialized object being sent to the server.