constant contact form Security & Risk Analysis

The constant-contact-form plugin v7.4 exhibits a generally strong security posture based on the provided static analysis. The absence of dangerous functions, the use of prepared statements for all SQL queries, and the lack of known vulnerabilities are significant strengths. The plugin also demonstrates awareness of security practices by implementing a nonce check and handling file operations, although the limited number of file operations suggests this may not be a primary function.

However, there are areas for improvement. The most notable concern is the low rate of output escaping (30%), which indicates a potential risk of Cross-Site Scripting (XSS) vulnerabilities. While no critical or high severity taint flows were detected, the insufficient escaping leaves the door open for malicious input to be rendered directly to users. Additionally, the complete absence of capability checks is a weakness, as it suggests that even authenticated users might be able to trigger plugin actions without proper authorization, especially through the identified shortcode.

The plugin's clean vulnerability history with zero recorded CVEs is a positive indicator, suggesting a history of responsible development and maintenance. This, combined with the secure handling of SQL and the limited attack surface, paints a picture of a plugin that is fundamentally built with security in mind, but which has a significant blind spot regarding output sanitization and authorization checks.