Getting CORS error while calling BI Publisher from javascript

I'm trying to run a BI publisher report from a browser using javascript. After creating the SOAP request I was able to submit the SOAP request from postman application. The script works fine in internet explorer too but while running the script from chrome/firefox I'm getting "No 'Access-Control-Allow-Origin' header is present on the requested resource." error. I'm using Oracle Cloud sandbox environment to run the BI Pub report. I have checked the "Allowed Domains" profile option too which has been set to "*". Please note I have also tried some Oracle Cloud REST API and was able to get a