X (Formerly Twitter): SSRF in https://cards-dev.twitter.com/validator

Hello, After my previous report 2 years ago https://hackerone.com/reports/30860 you fixed the vulnerability, but now it looks like this fix was reverted and the same problem exists again. Test scenario: Open https://cards-dev.twitter.com/validator 1. Closed port on localhost http://0.0.0.0:123 -...