home/categories/security/mukul975-anthropic-cybersecurity-skills-skills-testing-for-email-header-injection-skill-md
securitytesting-security
testing-for-email-header-injection
Test web application email functionality for SMTP header injection vulnerabilities that allow attackers to inject additional email headers, modify recipients, and abuse contact forms for spam relay.
maintainer
mukul975
Updated 4/6/2026
Stars
4240
Forks
464
quick start
Installation and usage
Test web application email functionality for SMTP header injection vulnerabilities that allow attackers to inject additional email headers, modify recipients, and abuse contact forms for spam relay.
Installation
$ install --globalskills.sh
Usage
Once installed, you can use this skill by running the following command in your terminal:
skills use testing-for-email-header-injection