404 Designer – Design 404 Pages Using Your Favourite Page Builder Security & Risk Analysis
wordpress.org/plugins/404-designerEasily set a custom 404 error page using any WordPress page. Design your 404 page as a regular page and use it as the 404 template for your site.
Is 404 Designer – Design 404 Pages Using Your Favourite Page Builder Safe to Use in 2026?
Generally Safe
Score 100/100404 Designer – Design 404 Pages Using Your Favourite Page Builder has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.
The 404-Designer v1.2.2 plugin exhibits a strong security posture based on the provided static analysis. The absence of dangerous functions, SQL queries without prepared statements, unescaped output, file operations, and external HTTP requests are all positive indicators. The presence of a nonce check is also a good security practice. The plugin's attack surface is small, consisting of two AJAX handlers, and importantly, none of these appear to be unprotected by authentication or capability checks according to the static analysis, which is a significant strength. The lack of any recorded vulnerabilities in its history further suggests a well-maintained and secure plugin.
404 Designer – Design 404 Pages Using Your Favourite Page Builder Security Vulnerabilities
404 Designer – Design 404 Pages Using Your Favourite Page Builder Code Analysis
Output Escaping
404 Designer – Design 404 Pages Using Your Favourite Page Builder Attack Surface
AJAX Handlers 2
WordPress Hooks 4
Maintenance & Trust
404 Designer – Design 404 Pages Using Your Favourite Page Builder Maintenance & Trust
Maintenance Signals
Community Trust
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404 Designer – Design 404 Pages Using Your Favourite Page Builder Developer Profile
2 plugins · 20 total installs
How We Detect 404 Designer – Design 404 Pages Using Your Favourite Page Builder
Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.
Asset Fingerprints
/wp-content/plugins/404-designer/admin/admin.js/wp-content/plugins/404-designer/admin/admin.js404-designer/admin/admin.js?ver=HTML / DOM Fingerprints
c404_ajax_obj