
F4 Post Tree Security & Risk Analysis
wordpress.org/plugins/f4-treeThis plugin adds a neat and easy to use sidebar tree view to your posts and pages backend.
Is F4 Post Tree Safe to Use in 2026?
Generally Safe
Score 99/100F4 Post Tree has a strong security track record. Known vulnerabilities have been patched promptly.
The plugin "f4-tree" v2.0.4 demonstrates a generally good security posture with a small attack surface and a high percentage of properly escaped outputs. The static analysis reveals no immediate critical vulnerabilities in the code itself, such as dangerous functions or unsanitized taint flows. The plugin also uses prepared statements for all its SQL queries, which is a strong security practice.
However, there are areas for concern. The absence of nonce checks on any entry points, although the entry point count is zero, indicates a potential gap if new entry points are introduced without proper security measures. The presence of a past medium-severity Cross-Site Scripting (XSS) vulnerability, even though currently patched, highlights a historical weakness in input sanitization. Furthermore, the bundled Freemius library at version 1.0 is likely outdated and could contain known vulnerabilities that are not directly exposed by this plugin's code but could be exploited through the library itself.
In conclusion, while the current version of "f4-tree" appears to be relatively secure based on the static analysis, the historical XSS vulnerability and the outdated bundled library warrant careful consideration. Addressing these potential weaknesses by ensuring thorough sanitization for any future entry points and updating bundled libraries proactively would further strengthen the plugin's security.
Key Concerns
- Bundled outdated Freemius library v1.0
- Past medium XSS vulnerability
- No nonce checks on entry points
F4 Post Tree Security Vulnerabilities
CVEs by Year
Severity Breakdown
1 total CVE
F4 Post Tree <= 1.1.18 - Reflected Cross-Site Scripting
F4 Post Tree Code Analysis
Bundled Libraries
SQL Query Safety
Output Escaping
Data Flow Analysis
F4 Post Tree Attack Surface
WordPress Hooks 1
Maintenance & Trust
F4 Post Tree Maintenance & Trust
Maintenance Signals
Community Trust
F4 Post Tree Alternatives
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admin-menu-tree-page-view
Get a tree view of all your pages directly in the admin menu. Search, add, edit, view, re-order – all is just one click away!
Advanced Sidebar Menu
advanced-sidebar-menu
Fully automatic sidebar menus.
Display Categories Tree
post-categories-tree
This plugin is a widget to customize and add more css options to the Default Wordpress Category Widget. This plugin requires fontawesome in your theme …
Subpage Listing
subpage-listing
Allows you to display a list of the child pages of the currently viewed page.
Easy Hierarchy
easy-hierarchy
Hierarchies made easy!
F4 Post Tree Developer Profile
7 plugins · 4K total installs
How We Detect F4 Post Tree
Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.
Asset Fingerprints
/wp-content/plugins/f4-tree/assets/css/tree.css/wp-content/plugins/f4-tree/assets/js/tree.jshttps://cdn.jsdelivr.net/npm/wunderbaum@0.13/dist/wunderbaum.min.css/wp-content/plugins/f4-tree/assets/js/tree.jsf4-tree/assets/css/tree.css?ver=f4-tree/assets/js/tree.js?ver=HTML / DOM Fingerprints
f4-tree-containerf4-tree-wrapperf4-tree-mainf4-tree-headerf4-tree-contentf4-tree-footerf4-tree-toolsf4-tree-titledata-f4-tree-iddata-f4-tree-post-typedata-f4-tree-post-idf4_tree_vars/wp-json/f4-tree/v1/refresh/wp-json/f4-tree/v1/move-post