Yesterday a new version of the plugin Ninja Forms was released with the changelog entry “Patched a reflected XSS vulnerability in our administrative dashboard. Thank you to Samuel Anttila at netsec.expert for practicing responsible disclosure.” Looking at the changes made in that version we found that exactly described the issue being fixed, with the page this was occurring on named Dashboard.

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This post provides insights on a vulnerability in the WordPress plugin Ninja Forms 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.

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Plugin Security Scorecard Grade for Ninja Forms

Checked on May 15, 2025

See issues causing the plugin to get less than A+ grade