On the 28.12.2017 security researcher reported a XSS vulnerability affecting the happened1234.rssing.com website via the Open Bug Bounty coordinated vulnerability disclosure program.
Vulnerability submitted via Open Bug Bounty| 28 December, 2017 07:30 GMT
Generic security notifications sent to website owner| 28 December, 2017 07:32 GMT
Notification sent to subscribers (without technical details)| 28 December, 2017 10:17 GMT
If you are the website owner or administrator please contact the researcher directly to get vulnerability details and proceed to coordinated disclosure.