The freshmail-newsletter plugin before 1.6 for WordPress has shortcode.php SQL Injection via the 'FM_form id=' substring.
- https://wpvulndb.com/vulnerabilities/7972
- https://www.exploit-db.com/exploits/36942
- https://github.com/20142995/nuclei-templates
- https://github.com/ARPSyndicate/cvemon