30 May 2025

Plugin Vulnerabilities Customers Helped Make WordPress Plugins More Secure, Week of May 30

Our customers provide us with the ability to help make WordPress plugins more secure. Mostly, with plugins they use, but to a lesser extent other plugins. That work often goes unmentioned. So we are highlighting that to help to better understand what is going on and how signing up for our service can help to expand that work.

Vulnerability That Went Unfixed for 9 Months in 2+ Million Install Plugin Fixed

Last week, we checked on an attempt to fix a vulnerability in the 2+ million install MC4WP: Mailchimp for WordPress and found the developer had incorrectly fixed the instance of the issue they attempted to fix. And they had failed to fix another instance entirely. That had happened 9 months ago. Unfortunately, other WordPress security providers who claim to have security experts that check over vulnerability claims either didn’t vet this or missed both of those issues. We checked on that attempted fix because at least one of our customers started using the plugin. We reached out to the developer and this week they fixed the issue. [Read more]

4 Mar 2025

CleanTalk Claims to Vet WordPress Plugins for Insecure Dependencies While Their Security Plugin Contains Known Vulnerable Library

Last week we posted about the three most popular file manager plugins containing a vulnerable version of the jQuery UI library. The inclusion of the vulnerable version of that library was detected by our Plugin Security Scorecard. None of those plugins have been updated to address that yet, despite us notifying the developers a week ago. Over the weekend, another plugin was checked through the tool and identified to contain a vulnerable version of that. Incredibly, it is a security plugin, Security & Malware scan by CleanTalk:

[Read more]