Email injection is a vulnerability that lets a malicious hacker abuse email-related functionality, such as email contact forms on web pages, to send malicious email content to arbitrary recipients.

Discover what email injection is, how it works, examples, potential risks, and protective measures against this security threat in our comprehensive guide.

Email injection is a security vulnerability that can occur in Internet applications that are used to send email messages. It arises when attackers are able to inject malicious code or commands into the …

This attack takes advantage of the fact that RFC 822 requires that headers in a mail message be separated by a carriage return. As a result, an adversary can inject new headers or content simply by …

Email injection is a security vulnerability that can occur in Internet applications that are used to send email messages. It is the email equivalent of HTTP Header Injection.

Jul 22, 2022 · What Are Email Injection Attacks and How to Prevent Them? Email injection attacks let hackers access the internals of a system to practice malicious activities. This tactic can be used to …

Apr 9, 2025 · Email html injection is an attack technique used to exploit email servers and email applications. What are email injection uses, how it works?

May 5, 2025 · By injecting carriage return and line feed (CRLF) characters (%0d%0a or \r\n), attackers can add new headers such as CC, BCC, or even alter the email content. For instance: This allows …

What is an injection attack? Injection attacks occur when attackers exploit vulnerabilities in an application to send malicious code into a system. This type of exploit may allow them to execute …

Jul 23, 2025 · SMTP injection is an attack technique where hackers exploit an application's mail and web servers, and if the input is not carefully protected, then hackers can send emails to targeted users.