Tag
smtp-injection
Safeguard articles tagged "smtp-injection" — guides, analysis, and best practices for software supply chain and application security.
2 articles
Application Security
Preventing SMTP injection vulnerabilities in email-sending code
A crafted From address turned PHPMailer into a remote code execution bug in 2016 — here's how header injection works and how to stop it.
Jul 13, 20266 min read
Vulnerability Guides
SMTP Injection (Email Header Injection): Prevention Guide
A contact form that builds emails from user input can be turned into a spam relay or a phishing generator through SMTP header injection. Here's how the attack works and how to neutralize it.
Jul 3, 20265 min read