Php Email Form Validation - V3.1 Exploit

Ensure that your PHP application properly validates and sanitizes user input, including email addresses and message content. Use whitelisting techniques to only allow expected input formats.

This post highlights the critical security vulnerability discovered in the PHP Email Form Validation v3.1 php email form validation - v3.1 exploit

Email is sent to many recipients, turning the form into an open spam relay. Ensure that your PHP application properly validates and