cformsII Security & Risk Analysis

The cforms2 plugin version 15.1.3 presents a significant security risk due to its history of vulnerabilities and concerning static analysis findings. While the plugin has no currently unpatched CVEs, the sheer volume of past vulnerabilities (11 total), including 2 critical and 3 high-severity issues, strongly suggests a pattern of insecure coding practices. The historical vulnerability types, such as Cross-site Scripting, SQL Injection, and Cross-Site Request Forgery, are common and can lead to serious compromises.

The static analysis reveals several immediate concerns. A notable portion of the plugin's attack surface is unprotected, with 3 out of 4 entry points (AJAX handlers and shortcodes) lacking authentication checks, creating opportunities for unauthorized actions. The absence of prepared statements for the single SQL query is a direct pathway to SQL injection vulnerabilities. Furthermore, the plugin exhibits a very low rate of proper output escaping (9%), making it highly susceptible to Cross-Site Scripting attacks across many of its output points.

While the absence of critical taint flows and file operations is a minor positive, these strengths are heavily outweighed by the identified risks. The plugin's historical track record, combined with the high number of unprotected entry points, raw SQL queries, and poor output escaping, indicates a plugin that is inherently insecure and requires immediate attention, likely through updating or replacement.