Payment Gateway through Stripe Installments Security & Risk Analysis

The 'payment-gateway-through-stripe-installments' v1.0.1 plugin presents a mixed security posture. On the positive side, it demonstrates good practices by exclusively using prepared statements for SQL queries and avoiding dangerous functions or file operations. The absence of recorded vulnerabilities in its history is also a strong indicator of prior security diligence. However, significant concerns arise from the static analysis, particularly the presence of two unprotected AJAX handlers, which constitute the entire identified attack surface. The taint analysis also reveals two flows with unsanitized paths, although they are not classified as critical or high severity, which warrants further investigation into their actual exploitability. The lack of nonce and capability checks on these entry points significantly increases the risk of unauthorized actions or data manipulation.