Clean Login Security & Risk Analysis

The 'clean-login' plugin v1.14.6 exhibits a mixed security posture. On the positive side, the code analysis shows good practices in several areas, including 100% of SQL queries using prepared statements, the presence of nonce checks and capability checks on its entry points, and no reported dangerous functions or file operations. The absence of critical or high-severity taint flows is also a positive indicator.

However, several areas raise concerns. The relatively low percentage of properly escaped output (32%) suggests a potential for Cross-Site Scripting (XSS) vulnerabilities, especially when considering its past vulnerability history. The plugin has a history of 5 known CVEs, with 2 high and 3 medium severity issues, including common types like PHP Remote File Inclusion, XSS, and CSRF. While there are currently no *unpatched* CVEs, this history indicates a recurring pattern of security weaknesses that require careful monitoring. The presence of one flow with an unsanitized path, even if not critical, warrants attention.

In conclusion, while the plugin demonstrates some solid security implementations, the significant vulnerability history, particularly the prevalence of XSS and RFI, combined with the low output escaping rate, indicates a moderate to high risk that necessitates vigilant monitoring and potentially a deeper audit of the code to ensure all potential vulnerabilities have been addressed. The single unsanitized path flow is a specific point of concern.