GHSA-rmxg-6qqf-x8mr

### Summary A server side request forgery vuln was found within geonode when testing on a bug bounty program. Server side request forgery allows a user to request information on the internal service/services. ### Details The endpoint /proxy/?url= does not properly protect against SSRF. when using the following format you can request internal hosts and display data. /proxy/?url=http://169.254.169.254\@whitelistedIPhere. This will state wether the AWS internal IP is alive. If you get a 404, the host is alive. A non alive host will not display a response. To display metadata, use a hashfrag on the url /proxy/?url=http://169.254.169.254\@#whitelisteddomain.com or try /proxy/?url=http://169.254.169.254\@%23whitelisteddomain.com ### Impact Port scan internal hosts, and request information from internal hosts.