Few vulnerabilities in WhatsApp for Andriod discovered that allow an attacker to send an HTML file attachment full access to the user's media, voice notes, pictures, and eventually chat messages (through TLS session resumption keys). In this video, we will discuss the scope of this attack. The vulnerabilities have been patched by facebook.

Full article from CENSUS labs discussing in detail how to carry POC attack.  https://census-labs.com/news/2021/04/14/whatsapp-mitd-remote-exploitation-CVE-2021-24027/