CVE-2021-31747: Pluck 4.7.15 - Missing SSL Certificate Validation in update_applet.php · Issue #101 · pluck-cms/pluck

Issue Summary
Pluck’s update system deliberately skips SSL certificate validation.

Detailed Description
Within update_applet.php is the following code:

        // Dont check ssl certifical
        curl_setopt($geturl, CURLOPT_SSL_VERIFYPEER, false);

This ensures peer SSL certificates are never valdiated.

Impact
In theory, this vulnerability can make the Pluck’s update system susceptible to Man-in-the-middle attacks.