Really Simple Security, formerly known as Really Simple SSL serious vulnerability

If you use this plugin please update as soon as possible!

Wordfence team reported that on November 6th, 2024, Wordfence team identified and began the responsible disclosure process for an Authentication Bypass vulnerability in the Really Simple Security plugin, and in the Really Simple Security Pro and Pro Multisite plugins, which are actively installed on more than 4,000,000 WordPress websites.

This vulnerability affects Really Simple Security, formerly known as Really Simple SSL, installed on over 4 million websites, and allows an attacker to remotely gain full administrative access to a site running the plugin. The blog post contains additional context and background including suggested actions.