Simple Divi Shortcode Security & Risk Analysis

The "simple-divi-shortcode" v1.2 plugin exhibits a mixed security posture. On the positive side, the plugin demonstrates good practices by exclusively using prepared statements for its SQL queries and having no recorded vulnerabilities (CVEs) or known issues. It also presents a very small attack surface with no AJAX handlers or REST API routes, and importantly, no direct entry points are left unprotected. The absence of file operations, external HTTP requests, and bundled libraries further reduces potential risks.

However, significant concerns arise from the output escaping. With three total outputs and 0% properly escaped, there is a high likelihood of cross-site scripting (XSS) vulnerabilities. The lack of nonce checks and capability checks, especially in the context of shortcodes (which can be triggered by any logged-in user), means that attackers could potentially inject malicious scripts that execute within the context of other users' sessions. The taint analysis showing no flows is not necessarily a strength, as it could indicate a lack of comprehensive taint analysis or a very simple code structure where such flows are unlikely to be detected by the tool.

In conclusion, while the plugin avoids common pitfalls like raw SQL and unpatched CVEs, the complete lack of output escaping on all its output points is a critical weakness that exposes users to XSS attacks. The absence of authentication and authorization checks on its single shortcode entry point amplifies this risk. The plugin's small attack surface is a mitigating factor, but the severity of the output escaping issue cannot be overstated.