There was a recent claim of a reflected cross-site scripting (XSS) vulnerability in the WordPress plugin H5P CSS Editor credited to have been discovered by p7e4, which is described by Wordfence this way:

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This post provides insights on a vulnerability in the WordPress plugin H5P CSS Editor not discovered by us, where the discoverer hadn't provided the details needed for us to confirm the vulnerability while we were adding it to the data set for our service, so the rest of its contents are limited to subscribers of our service.

If you were using our service, you would have already been warned about this vulnerability if your website is vulnerable due to it. You can try out our service for free and then see the rest of the details of the vulnerability.

For existing customers, please log in to your account to view the rest of the contents of the post.