OpenBugBounty.org highighting a cross site scripting vulnerability

RapidWeaver Classic
1

I received and email today from OpenBugBounty.org telling me that my site is vulnerable to cross site scripting.

Any idea how I can varify this?

Here’s the bug report: https://www.openbugbounty.org/reports/1504085/

2

This checks all security related things like that https://securityheaders.com/, there’s also https://observatory.mozilla.org.

3

Thanks Neil, I’ll take a look!