The team at Wordfence, WordPress’ top-rated firewall plugin for WordPress have identified an issue with Contact Form 7 Style.
They have not been successful to contact the plugin developer, so it remains at risk and there is no update currently
If you are using this plugin in your website, we suggest you disable it ASAP to avoid potentially being compromised
Read more here: https://www.wordfence.com/blog/2021/02/unpatched-vulnerability-50000-wp-sites-must-find-alternative-for-contact-form-7-style/