On the 19.06.2017 security researcher reported a XSS vulnerability affecting the clingendael.nl website via the Open Bug Bounty coordinated vulnerability disclosure program.
Vulnerability submitted via Open Bug Bounty| 19 June, 2017 17:55 GMT
Generic security notifications sent to website owner| 19 June, 2017 17:58 GMT
Customized security notification sent to website owner| 19 June, 2017 17:58 GMT
Notification sent to subscribers (without technical details)| 19 June, 2017 18:17 GMT
If you are the website owner or administrator please contact the researcher directly to get vulnerability details and proceed to coordinated disclosure.