On June 24, the WordPress plugin Header Footer Code Manager was closed on WordPress Plugin Directory. Because that is one of the 1,000 most popular plugins in that directory (it has 300,000+ installs), our systems warned us about the closure. By the time we went to check on the plugin the next day, the developer had released a new version with a changelog suggesting a security vulnerability had existed in the plugin:

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This post provides insights on a vulnerability in the WordPress plugin Header Footer Code Manager 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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