The latest version of the WordPress plugin Ultimate Member had a changelog entry “Fixed: Directory traversal vulnerabilities”. In looking into that at the time, we found that part of that wasn’t a vulnerability, but there was a security issue, which we contacted the developer about. It turns out there was a second instance where there really was a vulnerability.

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This post provides insights on a vulnerability in the WordPress plugin Ultimate Member 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 Ultimate Member

Checked on November 23, 2024

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