Contact Form 7 extension for Google Map fields Security & Risk Analysis

The "cf7-google-map" plugin, version 1.9.0, exhibits a generally strong security posture based on the static analysis. The absence of unprotected AJAX handlers, REST API routes, shortcodes, and cron events indicates a limited attack surface. The code also demonstrates good practices with 100% of SQL queries using prepared statements and a high percentage (87%) of output properly escaped. The lack of file operations and dangerous functions further contributes to its secure design.

However, there are some areas for improvement. The plugin performs external HTTP requests, which could be a vector for certain attacks if not handled with extreme care. More significantly, the plugin has a history of known vulnerabilities, with one high-severity Cross-Site Scripting (XSS) issue reported in May 2023. While this specific vulnerability is listed as currently unpatched, the existence of past XSS issues warrants caution and suggests potential for future vulnerabilities if input sanitization and output escaping are not meticulously maintained. The absence of nonce checks and capability checks on any potential entry points, though currently zero, could become a risk if the plugin's functionality expands.

In conclusion, "cf7-google-map" v1.9.0 shows promising security practices, particularly in its handling of SQL and output. The limited attack surface is a significant strength. Nevertheless, the past high-severity XSS vulnerability and the presence of external HTTP requests are points of concern that require ongoing vigilance and potential future patching. The lack of explicit mention of capability checks or nonce checks on its current zero entry points is a weakness that might become relevant if the plugin evolves.