Contact Form 7 Signature Addon Security & Risk Analysis

Based on the static analysis and vulnerability history provided, the "contact-form-7-signature-addon" v4.2.2 plugin exhibits a strong security posture. The absence of known CVEs and a clean vulnerability history is a significant positive indicator. The static analysis reveals a minimal attack surface with no identified AJAX handlers, REST API routes, shortcodes, or cron events that are unprotected. Furthermore, the code demonstrates good practices regarding dangerous functions, SQL query sanitization (100% prepared statements), and external HTTP requests. The presence of nonce and capability checks further strengthens its security.