Description
WordPress Plugin Contact Form With Captcha is prone to a cross-site request forgery vulnerability. Exploiting this issue may allow a remote attacker to perform certain administrative actions and gain unauthorized access to the affected application; other attacks are also possible. WordPress Plugin Contact Form With Captcha version 1.6.2 is vulnerable; prior versions may also be affected.
Remediation
Edit the source code to ensure that CSRF protection is implemented with Nonce-like mechanism or disable the plugin until a fix is available
References
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42358
https://wordpress.org/plugins/contact-form-with-captcha/#description