Add Script To Post Security & Risk Analysis

The add-script-to-post plugin version 1.0 exhibits a mixed security posture. On the positive side, there are no known vulnerabilities (CVEs) recorded, and the plugin does not utilize dangerous functions, perform file operations, or make external HTTP requests. All SQL queries are also handled with prepared statements. However, significant concerns arise from the lack of output escaping, with 100% of identified outputs not being properly escaped. This presents a substantial risk for cross-site scripting (XSS) vulnerabilities.

The static analysis reveals a single entry point via a shortcode, which, critically, has no capability checks or nonce verification. While the total attack surface is small and there are no AJAX or REST API endpoints without authentication, the unprotected shortcode is a major concern. The absence of taint analysis data (0 flows analyzed) and the lack of capability checks on the shortcode mean that any data processed or displayed by this shortcode could potentially be manipulated by unauthenticated users.

Given the clean vulnerability history, it's possible that the plugin hasn't been widely targeted or that the limited functionality hasn't exposed critical flaws yet. Nevertheless, the identified weaknesses, particularly unescaped output and the unprotected shortcode, create exploitable pathways. A strong conclusion is that while the plugin has a small attack surface and avoids some common pitfalls, the lack of output escaping and inadequate protection on its sole user-facing entry point (the shortcode) make it a moderate to high risk for XSS and potential content manipulation.