12 Aug 2019

Vulnerability Details: PHP Object Injection in Formidable Forms

One of the changelog entries for the latest version of Formidable Forms is “Security: Fix vulnerability with unserializing.” Looking at the changes made confirmed what that suggests, there was a PHP objection injection in the plugin. It seems possible there could still be an issue if using addons for the plugin, but with the plugin itself it has been fixed.

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

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Plugin Security Scorecard Grade for Formidable Forms

Checked on October 28, 2024
C+

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

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