Golang XML vulnerabilities

[mdosch]

FYI

https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-attributes.md
https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-directives.md
https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.md

[Neustradamus]

From @licaon-kter:

• Ref: https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/