Duo Universal Security & Risk Analysis
wordpress.org/plugins/duo-universalEasily add Duo authentication to your WordPress website. Enable multi-factor authentication for your admins and/or users.
Is Duo Universal Safe to Use in 2026?
Generally Safe
Score 100/100Duo Universal has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.
The 'duo-universal' plugin version 1.2.1 exhibits a strong security posture based on the provided static analysis. The absence of any identified AJAX handlers, REST API routes, shortcodes, or cron events significantly limits the plugin's attack surface. Furthermore, the code demonstrates good security practices with 100% of SQL queries using prepared statements and a high percentage (92%) of output escaping. The presence of a nonce check is also a positive indicator. Taint analysis shows no critical or high severity flows, and the plugin has no recorded vulnerability history, which suggests a history of secure development and maintenance.
Key Concerns
- Capability checks are missing
- Minor output escaping concern (8% unescaped)
Duo Universal Security Vulnerabilities
Duo Universal Release Timeline
Duo Universal Code Analysis
Output Escaping
Duo Universal Attack Surface
Maintenance & Trust
Duo Universal Maintenance & Trust
Maintenance Signals
Community Trust
Duo Universal Alternatives
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Duo Universal Developer Profile
2 plugins · 5K total installs
How We Detect Duo Universal
Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.
Asset Fingerprints
/wp-content/plugins/duo-universal/assets/css/duo-universal.css/wp-content/plugins/duo-universal/assets/js/duo-universal.js/wp-content/plugins/duo-universal/assets/js/duo-universal-admin.js/wp-content/plugins/duo-universal/assets/js/duo-universal.js/wp-content/plugins/duo-universal/assets/js/duo-universal-admin.jsduo-universal/assets/css/duo-universal.css?ver=duo-universal/assets/js/duo-universal.js?ver=duo-universal/assets/js/duo-universal-admin.js?ver=HTML / DOM Fingerprints
<!-- Duo Universal Authentication --><!-- Duo Universal Login Form --><!-- Duo Universal Admin Settings Form -->data-duo-client-iddata-duo-redirect-uridata-duo-stateduoUniversalSettings/wp-json/duo-universal/v1/settings/wp-json/duo-universal/v1/auth