On the 31.12.2017 security researcher reported a XSS vulnerability affecting the lalibrairiedupatrimoine.com website via the Open Bug Bounty coordinated vulnerability disclosure program.
Vulnerability submitted via Open Bug Bounty| 31 December, 2017 23:47 GMT
Generic security notifications sent to website owner| 31 December, 2017 23:49 GMT
Customized security notification sent to website owner| 31 December, 2017 23:49 GMT
Notification sent to subscribers (without technical details)| 1 January, 2018 02:17 GMT
If you are the website owner or administrator please contact the researcher directly to get vulnerability details and proceed to coordinated disclosure.